Bmw e46 throttle body problems. You cant even solder a new harness connector on it.
Bmw e46 throttle body problems It's an "operate by wire," not a steel cable like in the old days. Please make sure the ignition is Turned Off. Aug 12, 2008 · You don't have to unhook the throttle cables. I have exactly the same problems with the throttle delay and harsh engine braking, in addition to the sticky brake problem. Yay for $250 detuctable (CarMax - 6 yr; 125k mi) since the labor and parts was going to be just north of $1800. The electronic throttle body hits against the M52TU harness junction box, I'm sure the M54 harness is Mar 14, 2024 · CCV valve - Genuine bmw Dipstick orings - FCP Euro Throttle Body gasket - Elring ICV groomer - Rein Air intake sensor - VNE Oil 5w40 - Fuchs/old Pentosin Oil filter - Hengst Oil filter cap orings - FCP Euro Oil temp sensor - VNE Oil pressure sensor - FEP(Rein/Febi) Now, some additional information to try help the diagnostic: Nov 5, 2012 · They passed. I don't care if I lose 10 horsepower if it feels like I'm actually connected to the car. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG Aug 5, 2012 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Obviously any problems with either the throttle body or the ICV will affect engine drivability and smoothness. first i thought that it could be the valve for the throttle body that's not closing entirely and making this sound but from the videos i've seen it's not making near this Jun 22, 2013 · yes sound like throttle body problem . The cleaner dry's pretty fast so you should have no problem start your car. Jul 11, 2013 · I think smolck mentioned a problem like this a while back. E46 General Aug 27, 2015 · Cleaning the throttle body yielded no result. Oct 21, 2016 · Vacuum leaks are a common problem. BINGO! The throttle body was gummed up and the butterfly valve was stuck in the closed position. My car, a '94, has 160k+ miles, my kid's car, an '00 323, is well over 200k miles. There is a procedure to reset the throttle adaptation listed below, but requires you have a BMW GT1 to reset the adaptation values before resetting the throttle adaptation by turning the key to the on May 29, 2022 · BMW 530e Charging Problems: Symptoms & Solutions; 5 Reasons for Oil Leak Problems in a BMW 1 Series; BMW 3 Series Not Accelerating: 6 Causes & Fixes; BMW 3 Series Transmission Problems: 6 Causes & Solutions; BMW 318d vs BMW 320d: Which One To Choose? BMW 1 Series Engine Problems: 6 Common Faults; A Guide to BMW 330e Charging Problems: 5 Common BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Throttle Body Adaptation Reset Google Search Search Forums Jul 7, 2023 · But both the pedal and my M54B25 throttle body seems to work. Replaced with new unit, working perfect. It was only used on the M52TU engine in '99 and '00. use a towel to clean inside the intake. May 26, 2021 · I changed complete timing chain with both wheels , throttle body , vanos solenoid . Some of you may be experiencing what is known as the sticky throttle. May 18, 2017 · I would focus on the throttle body connector at this point. As for the throttle response, crisp as a winters morning. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jun 22, 2023 · Does anyone know how to program the throttle body for a E46 330i sedan 2001? I saw on youtube that holding the accelerator with the ignition in position 2 might do it. com/bmwdoctor1/Instagram : https://www. The throttle body itself is not altered or relearned in this process. Jun 13, 2018 · The connector to the throttle body looks clean and dry. It helps to quickly and accurately diagnose any electrical problems related to the throttle body, which can be the source of significant engine trouble. Apr 1, 2013 · The E46 uses an electronic throttle body. the potentiometer Valve position comes up for some Reason . Actually, this applies to all DbW throttle BMW's. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada E46 Forums. Hey there, I own a 2000 E46 automatic sedan with the M52TU engine. Not the only source. the why part is to reset the adaptation of the throttle position sensors of the throttle body readings in the DME. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! Dec 19, 2015 · I have not heard that the throttle body is problematic for BMW. Apr 21, 2014 · The throttle body has an electric motor (servo) that controls the butterfly angle. Jan 2, 2025 · Figure 21 You also have to adjust the cable at the full throttle position. Mine only through the EML light and a code of P0123, but when I looked up that code it said TPS Sensor (Throttle Position) Now my e46 is a 2002 so it seemed there was no actual TPS sensor outside of the one built into the throttle body. use a brush to clean around and in side of the TB. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Apr 9, 2017 · Quick report on driving it now, well, as was expected, not perkier up top at full throttle, or not butt-dyno detectable, will go run and pull a datalog sometime just to make sure, but I know now all is well. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Mar 7, 2014 · And,yes, the M54 has 2. I feel very sure that, after spending the money on a new throttle body, the problem will still be there. Nov 26, 2011 · Koni FSD's | Eibach Pro Springs |Staggered 19" VMR 710's | Hotchkiss Sway Bars | BMW Performance CF Strut Bar | Meyle HD Control Arms, RSM, Diff. Then I went right after the throttle body because it was the next related code and the way the car was behaving it seemed like the intake was breathing through the ICV alone. There is no mechanical throttle cable. He took out the throttle body and cleaned it for me. Nov 22, 2012 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Sep 3, 2012 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I'm wondering if I could just bolt on the throttle pedal, cable and throttle body from an m54b25. BMW - E46 M3, E34, E32, MZ3, Z4M - 13411733090. Oct 27, 2024 · Anyone have any experience with the throttle body MLK connectors and the wiring that goes with it? It’s been several months I’ve been getting intermittent trifecta (EML, traction and yellow brake) lights with these codes and a harsh and shaky idle. Turn on the Ignition to the 3rd position for 30 seconds (Do Not Crank the Vehicle) (Do Not let go of the Throttle) After 30 seconds are over, Turn Ignition Off and Remove Key (Do Not let go of the Dec 9, 2010 · Hello guys, the problem is with a Z4 (2. Jan 7, 2012 · Throttle body & TPS sensor part number 4 videos (above the video it says 4 videos, click that to see them all) BMW 316ti Engine Revving and Oscilloscope measurements on faulty pedal sensor - Video1 (oscilloscope, rev counter, multimeter readings) Video2 Video3 Video4 photos - Jul 24, 2005 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 4. it came back with both throttle body actuators being bad at the same time. The fly-by-wire throttle control is pretty reliable, but it can make things chaotic. Mar 17, 2013 · The mechanic recommended replacing the throttle body, which is horribly expensive. Cleaning up the throttle body to remove any carbon from where the butterfly valve sits and dripping oil back into Sep 14, 2020 · BMW & MINI Throttle Body Adaptation Reset. 5. 1. What's new. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Aug 23, 2011 · Let me get my "Easy Button" I just fixed this exact problem on my 00 E46 323i. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Nov 30, 2019 · Separately I also had an intermittent problem with my throttle body and I ended up bench testing the internal sensor potentiometers using a multi-meter. 1 might fail, but the second and the third seems like something else should be the problem. I replaced the Throttle Body with a new unit from VDO. so . I think you can achieve somewhat the same results by using some CRC throttle body cleaner and spending a little time with your current throttle bodies. 1, remove 4 nuts holding front strut bar. The mechanical parts looked to be in perfect condition. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. May 6, 2012 · First I cleaned the MAF which appeared to help alot but gradually the idle problem came back and so did the sluggish throttle. Aug 12, 2017 · Removed and cleaned the throttle body. Aug 18, 2006 · Well, I thought my problem went away, but it has resurfaced after a few weeks. One on the throttle body and one on the gas pedal. spray TB cleaner all over the TB and inside. don. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Dec 10, 2022 · The BMW E46 Throttle Body Wiring Diagram is an essential part of any BMW owner's toolkit, providing critical information on the operation and maintenance of one of the most iconic BMW models ever. Dec 11, 2023 · Hey all! I just purchased an e46 with an m54b30. Throttle Valve Actuator is the cause of all my problems (as 100% expected). reset done. Check the wiring at the throttle body. Aug 1, 2013 · Throttle Body actuators failure Hi all, I have a 2008 M3 and I'm having some issues with it. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Nov 16, 2018 · my bmw is driving me crazy, im getting p0120 throttle circuit problems. Oh as a note, I can post pictures if needed. Feb 18, 2014 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Feb 6, 2015 · Recently I acquired a 1999 BMW e46 323i (used but incredibly well kept). Delete DME fault code memory and adaptations. i know the gas pedal works because there's no codes for it, there's no "implausible pedal position" codes on power cycle and i see the voltages from the gas pedal doing the right thing (via INPA/bmwscanner) May 1, 2015 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. > The small vacuum line that runs from the the intake pipe to the fuel canister was rotted at the ends, so I replaced with fresh tubing. Removed and cleaned the Idle control valve. Jan 11, 2025 · Discover common throttle body problems in the BMW E46, their symptoms, causes, and effective maintenance solutions. Aug 31, 2010 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Am trying to clean the throttle body. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Mar 6, 2019 · Cleaned it again with throttle body cleaner when I got back home - no dice. Had it plugged in and there are 2 errors: Throttle position sensor signal Hot film mass air sensor Any idea what this means and what the problem may be? This is Genuine BMW part number 13541433414 (13-54-1-433-414) and is described as Throttle Body Assembly for E46 323i & 328i, E39 528i, Z3 2. Switch off the ignition for 30 seconds. Then you may need to check the wiring at the throttle pedal as well. Mar 9, 2014 · Have also cleaned the maf, throttle body, idle control with cleaner and still no good. The drive-by-wire system in the E46 is very robust and monitored closely by the DME. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Sep 30, 2018 · I believe you have the M52TU engine, which was only used '99 & '00. Feb 15, 2014 · BINGO! The throttle body was gummed up and the butterfly valve was stuck in the closed position. Error code P0120. Sep 29, 2011 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. 6. For anyone who might have the same issue with an E46: I eventually fixed the issue using INPA. > Although the intake pipes weren't cracked, I replaced since I already had the parts. You cant even solder a new harness connector on it. You will need a scan tool that reads engine data stream, specifically throttle angle (green arrow). (if thats a good idea, how to get to it so I can try?) Sep 22, 2020 · The ABS module was changed and coded to the car. It is also a potentiometer of sorts. just proves that an aftermarket warranty is just as good as spending twice as much for the BMW extended warranty. The EML code on a Peake scanner is (77) MDK Motorized Throttle valve mechanically stuck. One less thing to keep me awake at night. Sometimes the thing to do is to have the car scanned professionally. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. Gave it a good cleaning and to my great joy, this not only fixed the lights and problem -- the throttle response, low end torque and just plain old power was better than it has been in a ling time! Feb 5, 2016 · A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. I'm almost out of ideas, my only other idea is cleaning the connector on the ECU side. sprayed some contact cleaner on the connectors for the ICV and TB. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Apr 21, 2022 · Read up on "MDK problems M52TU" The M52TU throttle body (aka MDK) can be problematic and a source of limp mode and related TB codes. Jan 12, 2003 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Sep 19, 2007 · As some people have stated,BMW only want the car to last a few years and this has to be proof as people of all models BMW are experiencing similar problems. So here's the scoop: Our stock throttle body has an internal diameter of 68mm and an outer diameter of 73. Aug 16, 2024 · This process allows the ECM to relearn the minimum and maximum positions of the new throttle body. So I bought a new Bosch MAF for about £120 i think (Ive had trouble with MAF's in the past and the chinese copies off ebay just dont do the job - steer clear). Started getting a variation of the same three codes again: "73- Throttle Position Sensor adaptation" "77- Throttle Position Sensor 2, plausibility, range, or performance" "87- Throttle Position Sensor, adaptation selftest" Mar 17, 2020 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Content on E46 Fanatics Forum is generated by its users. tried new tps and and resetting adaptions with 30 sec on and 10 of method. A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts Nov 22, 2016 · The throttle body does open during acceleration around those speeds, but the results are related to steady speed conditions. Mar 26, 2018 · A forum community dedicated to BMW owners and enthusiasts. "Drive-by-wire" throttle control means there is no mechanical connection between your foot and the throttle body(ies). Jun 23, 2014 · The throttle body is at the end of the rubber bellow that attaches to the MAF at one end and to the throttle body and Idle Air Control Valve at the other end. Every time the fault would happen I would start the car and it would go into that 'Safe Mode'. i am thinking of some softwares to put on my car now also. Press the accelerator pedal to wide open throttle (WOT) four times. The Theory is that the round 10 pin connector is often a source of problems. Feb 13, 2022 · The first attempt to solve this problem was to reset the throttle adaptation, it helped temporarily, but the problem continued to appear. On vehicles with manual transmissions: Turn the ignition key to the ON position and press the accelerator pedal to the floor (full stop). Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Jun 2, 2009 · 2007 328i poor throttle response Unfortunately, I also have a 2007 328i automatic. But the pedal and throttle body was based off the M54B30 firmware maps. 2, remove 4 torx screws holding cabin filter housing, remove filter. A mechanic replaced the throttle body and the same exact codes came back after a while. While there is also a throttle pedal sensor code, if this problem happened immediately after going through a large puddle of water, I would look about blowing any moisture out of the throttle body connector. Jun 6, 2011 · Idle Air Control Valve did clear my P1542(Throttle Position Sensor Electrical. With a comprehensive understanding of the E46 Throttle Body wiring diagram, you can maintain your car and keep it running smoothly for years to come. 00%, so no issues there. The ABS fault was causing the DME to clamp shut the throttle body. What I would do: 1. Jul 19, 2017 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. The car would still start, but would die soon after that. Age of the MAF was unknown so I replaced that with new from VDO. Plugged it into mates diagnostic and came back with the following logged errors, electronic throttle: signal potentiometer, signal comparison-intermittent electronic throttle: signal potentiometer shifting motor-intermittent electronic throttle: signal Jun 25, 2019 · It has nothing to do with the no throttle response code. Cuz it will mess up the throttle body voltages. Feb 25, 2013 · I read that playing around with it could cause problems that might require DME recalibration. This seems to me like highway robbery. The accelerator pedal is sensor that sends a signal to the DME (engine computer) which in turn commands an electric motor to move the throttle bodies. I took a look at my throttle cable and has a lot of slack, looks like they didnt replace the cable at the same time as the throttle. Years 2000 to 2018. When the gears bind, there is not current limiting mechanism and the board ramps up the MOSFET current to overcome the resistance. i have the same problem with my 01 330i. its a 1998 bmw e46 m43 engine hybrid manual /drive by wire system with no sensors at the pedal. I checked and cleaned the ICV. Both have their pros and cons, although a mechanical throttle is considered better by most. Not certain, but I believe a new throttle body solved it. But the throttle body still opens up to 5. I would only replace the throttle body if the bushings are shot and the shaft is super sloppy. Last week I started getting the EML and ASC light while coasting down a downhill… Mar 23, 2017 · A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. came on again. The pre '99 and post '00 cars used a different engine and different throttle set-up. May 24, 2018 · Google “BMW E46 hidden OBC functions. Access intake box. May 31, 2012 · I approached German Auto Solutions about making a big bore throttle body for our cars, and they are interested! German Auto Solutions makes the phenomenal DISA repair kit that I, aggie and others have installed. Instead, the throttle pedal assembly has very accurate and match potentiometers (variable resistors) which the engine computer (DME in BMWspeak) continuously scans. I was able to verify readings between the sensor potentiometers were not consistent which verified the electronics were bad requiring replacement of the throttle body (like you I put on good Sep 8, 2011 · BMW E60 525d sport Titan silver-Sold BMW E46 320D sport Estroil Blue-Sold BMW E46 330D Sport Silver Grey-Sold BMW E46 320Cd Silver Grey-SOLD BMW E46 330D Titan Silver-RIP BMW E46 M3 Phoenix Yellow-SOLD BMW E46 320D Titan silver-SOLD BMW E36 318is Diamond black-SOLD BMW E36 318-DEAD BMW E36 316i- SOLD Nov 2, 2023 · ignition on, command the adaptation reset with a BMW specific scanner, depress the throttle fully 3 times, turn ignition off. 0. Nov 2, 2014 · After some research, I cleaned the MAF sensor and found that the problem went away (looked clean and in good shape before the clean). 2004 BMW E46 M3 1991 BMW E36 325i 1986 BMW E28 520i May 18, 2023 · Sometimes it is a bad throttle body, but in my observations (I own an E39 with this engine/problem), it is usually bad connections in the 10-pin throttle body connector. Mar 3, 2017 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. and it just came back on (with a horrible idling problem) I took it to a reputable BMW specialist mechanic, and they read the code and it came back as "throttle body faults 77, engine throttle mechanical failure", plus "DME fault FA vent valve function fault" Oct 27, 2014 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. This means that the throttle body spends most of its time operating in the 0% to 30% opening range. I might put on the M54B30 throttle body I have if it works. Jan 12, 2006 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Engine management has since gone off but its still limited and spluttering and chugs on idle. Previous: BMW 330Ci Sport '04, BMW 520d SE auto - '11, BMW 523i SE '00 Aug 20, 2014 · THE PROBLEM IS NOT A DIRTY THROTTLE BODY, it is a broken linkage or something similar. Jul 12, 2017 · This is a problem as the throttle position should be around 10% at idle as I recall. 2) Then insert the key. Éhen the valvetronic dosent work properly , the throttle body takes over its work, butnif you haver some issues with map sensor. instagra Oct 16, 2018 · The throttle body (aka MDK) on your car is a major weak link and has caused quite few problems. Maybe someone can answer this before I break it. :excited: Thanks. otherwise the EML light may be lit. This started about a year ago and it's been in the garage since. It seems the DME controlling the hybrid drive-by-wire / by-cable throttle arrangement is hyper-sensitive to even minuscule changes in resistance -this is theory, not fact. The if it needed a throttle body, I would look for a used one as I am sure there are PLENTY of these out there. Also suggest you disconnect and reconnect the throttle body connector as well. May 3, 2012 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Apr 14, 2018 · Throttle body cleaner; Microfiber towels; Hose clamps (optional) Throttle position sensor (BMW Part # 13637840383) E46 M3 Throttle Body and ICV Cleaning 1. I have an Authorized BMW Service Center in my town that I use for such things. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jun 8, 2017 · Unlike the non M cars there is a single throttle body with the TPS built in. Forums. Throttle cable is a mechanical wire that attaches the throttle pedal to the throttle body. Here is the throttle body and its connector. Oct 4, 2016 · The problem with the control board design is that it does not protect against the most likely form of failure. 3, remove intake including the nut for the oil dipstick. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Aug 7, 2022 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 20, 2012 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 5, 2021 · The throttle body does open during acceleration around those speeds, but the results are related to steady speed conditions. when i want to do a accel say 0-60 very fast, i can't do it successfully b/c the damn thing is lagging. You gotta replace the entire harness. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Bringing the BMW community together. I think the throttle body should not be your issue. I've also done readaptation. At a steady speed of 100 kph (60 mph), the throttle body is only open 12%. Feb 25, 2016 · SES light was on, then it turned off. If you recently replaced the intake boot, suggest you pull the upper intake boot and make sure the tab on the lower intake boot is not caught inside the throttle body. I would not swap the the Throttle body (aka MDK) unless it was throwing codes. That throttle body harness connector is really sensitive to millivolts. Unless there is some other module to control throttle body opening besides throttle pedal - I'm pretty sure the problem lays in that throttle body. Think brake cable or derailleur cable on your bicycle. Jan 13, 2016 · Problem started months ago, erratic throttle at 2000/3000rpm, mainly Home. if the cable adjustments werent messed with, may not need to do it, but its a good thing to do. Has anyone experienced something similar to this? Nov 1, 2013 · The 2 valid codes have to with the throttle valve. When driving on light throttle it holds back and hesitates. 3) Then turn the key to position "2". Do not start the engine. Also, when I swapped throttle bodies (i did it two times with the new and old TB), the car would run fine for a week then act weird (dash lights jumping idle and the codes shown Mar 7, 2020 · Is your throttle drive-by-wire or cable? Very few conditions can cut throttle and not throw a EML or CEL. > When to Reset Throttle Jul 27, 2017 · i know the throttle body works because once i clear the DTC0115 code via INPA, i can force throttle body to move via the INPA menu to 1-17%. forget to spray in the intake also. ” problems. Feb 28, 2008 · I pulled out the intake down to the throttle body, including the DISA (adjuster) valve and the ICV. Or a failure in the DME somewhere. bushing | Powerflex FCAB, RTAB| Brembo Sport Slotted Rotors + Akebono Euro Ceramic | Simota CF CAI | Conforti Shark Injector | Stewart Water Pump | M3 front and rear spoilers | Depo smoked front/side signals, Eagle Eye smoked LED tails | ACS interior Oct 5, 2021 · If you are still getting the throttle poti plausibility codes, try a MDK adaptations reset. Improvement, but not cured yet. Using INPA to delete the adaptations. Mar 3, 2015 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 5 prod 01/2003), but I'm sure the E46 community is much more active and hands on so you might be able to help me Wife just called from work saying: 1) the car remains accelerated by itself 2) CEL, EML, traction, YELLOW brake light are on I haven't hooked it up the DIS yet, but it all points towards a faulty throttle body. Later that day me and some mates figured out that the throttle body had failed (connected the car to an universal tester and later to inpa). 5mm. So I bought a used one from a car with less than 100,000 miles. It may not happen to everybody, mine was perfect until a few months ago when it was inflicted by TD's curse How to clean and service BMW 3 series Throttle body. I can't see how this one comes apart. This time it went into limp mode and wouldn't go over 50mph. i have one in perfect order ,so U welcome to try it . Clean the connector contacts on the harness connector and the throttle Feb 7, 2012 · Kind of doubting the throttle body in general. ) but I bought the car with a new throttle body. It has plenty of power for my needs but the throttle response is shit. 1% on itself. Resealed a vacuum leak from the Dec 11, 2019 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. While I still have the throttle body off I want to test the sensors. Your Throttle Body flap isn't opening you've got carbon build-up preventing your flap from opening letting air into your engine. tried cleaning throttle body. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jan 23, 2017 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. When I turned off the engine and fired again, the errors disappeared, but then they reappeared. Dec 29, 2021 · I am on a turbo project on my E46 325i M54B25 or I have to remove the original throttle body and put a M52TU28 throttle body with a cable pedal but I have a problem with the connectors of the two throttle body which are different one with 10 pin and the other with 6 pin can you help me to make the connection thank you very much. Please note, this throttle body is only for the M52TU engines, which came in BMWs during the 1999 and 2000 model years. On the way to work & back today (about 30 miles on the highway each way, w/ about 3 miles of "city" driving), noticed my MPG needle appeared to be a bit more generous with calculated fuel efficiency. Since the throttle sensors are intergrated inside the throttle body, is it possible that bad sensors (I originally had codes indicates faulty sensors that has since went away) could cause a stuck throttle body? Oct 5, 2024 · E throttle problem require help Jump to Latest 221 views 2 replies 1 participant last post by TeamClaymore Oct 5, 2024 Aug 7, 2002 · Those of you with 2001+ E46's are familiar with the DbW throttle on our cars. Previously it did not run correctly as the throttle body MDK was in Emergency Op 1. The dealer is asking $3500 for replacement. The flaps on mine seem stuck, is this normal? Also I feel is should clean the front and back, should I remove the assembly? Thanks Feb 23, 2015 · About three days later, on my commute, the car went into limp mode and the check engine, traction control and eml lights turned on. Now, a little over a month later the problem is back. Dec 10, 2008 · However, the m52u engines found in the 323i (e46 1999/2000) or 528i (e39 1998) has a throttle body that is cable driven and motor driven. This was on a 6 cylinder car though, and my memory is a bit scetchy as this was a long time ago. It did not help. I think the throttle body sensors are throwing the P0120 and P0601 codes. > In contrast, resetting throttle adaptation simply clears out the learned driving style data in the ECM and restores the original base throttle mapping. Your problem shows when you are accelerating on a right hand turn. This sounds like the ABS is detecting something out or wack. Nov 1, 2022 · Hi all, I bought an E46 a few months ago, it’s a now a non running M52tu with a M50 manifold swap. Ity has a hybrid manual /drive by wire system and a complex and expensive throttle body. So the pedal travel is supposed to inform the servo on the throttle body how much to open and close through the electronic signal from the This video is about BMW E46 Idle Control Value and Throttle Body cleaning and overview. 7V and 0. Press the Gas Pedal to Full Throttle (while ignition is off). Nov 4, 2024 · 1. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Sep 14, 2005 · i don't think having dsc on would turn off the delay of the throttle response. > I cleaned the ICV. 5 and 2. However that still did not fix the problem. Apr 10, 2018 · got a good tip from my local bmw mechanic he's really good. Jun 15, 2011 · Reading the forums, it seems this is a very common early-E46 issue- the throttle control is electronic & often shorts out, or the throttle plate itself becomes mechanically misaligned/ broken. Oct 25, 2020 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. My guess is either the harness to the throttle body was not fully locked and moving things under the hood caused problems, or there is a terminal that backed out of a connector or some damage to the wire?? Dec 9, 2020 · New Product: high flow shaftless throttle bodies | The M3cutters In my opinion, and I could be wrong, I believe most of the improvements come from having installed a clean throttle body. 8 for the years 1999 and 2000. Feb 3, 2016 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. The drive by wire throttle body has a different type of TPS (throttle position sensor) than that of a standard cable driven unit. Position "2" is one position before the car engages and starts. Install BMW standard tools, read the ABS codes and Tell us what they are. Sep 25, 2023 · Throttle pedal voltage and throttle pedal travel (checked in ISTA+) - stay the same. facebook. Its not just E46, its ALL cars E46 and after, and by that im also stating that it happens to MERCS, SAABS, VOLVOS, etc as reported to me by many mechanics whilst I was out on the road. New posts. Between the MAF and the rubber boot is a rubber seal that if you are not careful can get rolled under when you go to put the boot back onto the MAF. . Apr 24, 2020 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Swapping the throttle body with a known good one also had no effect. I pressed the electric plugs in the engine compartment to the mass air flow, throttle, etc. Why 2? Reliability. Not sure this is a "common" BMW problem. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Mar 13, 2018 · Throttle body part #: 13541433414Don't forget to subscribe and check us out onFacebook : https://www. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Aug 24, 2024 · If that doesn't fix it, the other thing is the throttle body (butterfly valve for air intake control). The M54 engine is drive-by-wire. Redundant sensors are used in both throttle body and gas peddle. Sep 5, 2021 · We may have a slight translation problem here. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 1, 2016 · Got a problem with my e46 m3. I have 70K on this vehicle and when I got the engine failure I took it in. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Feb 14, 2022 · The BMW E46 Throttle Body Wiring Diagram is an important part of any car enthusiast’s toolkit. Oct 6, 2021 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Problem solved. You may want to post this on a British BMW forum They have the same model as you over there. Turn on the ignition to position 2. I took it to my BMW guy & he fixed the wiring issue- it is driveable again- however it still lags quite a bit, and 50% of my engine power is gone. And, I have a clunking noise when shifting into reverse and backing off the gas in forward at low speeds. If your throttle cable is rusty or has any notchiness, replace it (get the right one) 2 Mar 26, 2024 · Makes sense to clean wiring harness connectors if having any random electrical problems. bought a used throttle body over ebay, no difference. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! Apr 29, 2021 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I cleaned the throttle body, ICV, DISA and MAF connectors for good measure Nov 25, 2024 · I have a BMW e46 320i bone stock except for a filter (the sound isn't coming from that). Your car has the “throttle by wire” system. I replaced the DISA Valve with new from BMW during reassembly. Aug 30, 2024 · my car has been plagued for the last 6-8 yrs with a sudden limp mode problems that will and have stranded me… i have swapped in 5 different used throttle bodies, and the issue persists…I think It is related to deteriorating electrical connections in the 10-pin throttle body (aka MDK) connector. I replaced the Throttle Body Connector and Pins with new components from BMW. Feb 24, 2006 · It is a lot more difficult than a simple swap of the throttle body. drive by wire doesn't cause this nor mechanical (i have other drive by wire cars, no delay) its all in the software. May 12, 2011 · I have an E46 2003 318i N42 engine. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Aug 4, 2009 · (Image from another post as I don't have a good camera on me atm sorry; it's not the same engine but it's pretty similar from the outside ) 2) Also, after I put everything back together (airbox and hoses leading up to throttle body), I realised that there is a loud whining+hissing noise at idle coming from near the throttle body. The throttle body has a stepper motor that open according to the detected position of your foot. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Nov 17, 2024 · I've replaced the throttle body with a new VDO unit and the DME threw the same exact codes, so I think we could filter out a TB problem. Things to keep in mind. Aug 23, 2016 · So try this if you want the throttle response restored to the more aggressive factory setting: 1) Press the pedal to the floor and keep it there until step 6 below. Dec 27, 2016 · Your situation sounds a bit different than mine. I don’t want to put the throttle body back on and put everything else back together before testing it to make sure it is good. To diagnose this I replaced the throttle body harness and the DME. At first I thought it was the throttle body. May 13, 2017 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. If one starts to malfunction the DME will go into limp mode (throwing a EML) Feb 15, 2011 · Throttle Body Connector of an older type We're replacing the oil separator on a 1999 323i. The gas pedal has a potentiemoter (of sorts) that detects the position of your foot. i'm renovating the entire car but i was wondering about this sound. Little more research and I decided to pull the throttle body out and clean. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Mar 4, 2007 · Well, had the throttle body replaced[$490] which seemed to solve the problem until last Sunday when the EML, DSC, check engine light etc. I've heard that moving the throttle body will mess up the throttle body valve position values, and cause the car to either idle high, stall, or throw an EML light, and the only way to reset it is by using a BMW diagnostic tool. Jan 22, 2013 · I heard the same about all cable throttle E46/E39. 3. I am not sure if the drive by wire TPS sensor is 0 - 5v like the M50 TPS sensor is, but it'd be something to consider. If your foot presses down 10 "clicks" then the throttle motor opens 10 clicks. When started, the traction control light between the MPH and Rev dials turns on. 2. codes will narrow the scope of the problem!! dedicated to BMW E46, E90, and F30 Aug 1, 2016 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I am now running into a P1580(Throttle Mechanically Stuck) sometimes. gowcuru gjzr jdzhf vivgqqu bruhmj ffdjd tmsdqte rwclfi lzn cguc