Questions tagged [bmw]

A luxury German auto & motorcycle maker producing such vehicles as 330i, 540i & x5

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DSC Module Bleeding on 2004 BMW X5

After repairing leaking of the two rear brake lines and losing a lot of fluid and introducing air into the system, I'm no longer able to bleed the same two lines. virtually no fluid comes out the ...
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BMW E90: Coming Home automatically on darkness

I have a BMW E90 ( pre- facelift ) with light package . Currently my car is set so that the " Coming Home " function can by pressing the headlight flasher is switched off, press at ignition . My ...
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My BMW X5 won't stay running

Hello I have a 2003 BMW X5. I just got the engine replace a couple days ago. I went to pick it up but because the shop was done installing the motor but now I have to deal with the other problems I ...
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What would cause the cam carriers to shatter on my BMW 3 Series (2011)

The timing chain has stretched and the cam carriers have shattered after only 72,000 miles. What could cause this? I have found out that the car was mapped/chipped by the previous owner. Have no idea ...
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4 votes
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AC suddenly stopped working?

After few hours driving in town with a lot of traffic my AC was working fine, keeping low temperature inside. Then I had to stop the engine for few minutes and when I turned it on, although the AC ...
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1 answer
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1991 BMW E30 - knocking when put into 1st

I knew I had a minor vacuum leak, but it got worse all of sudden while at a stoplight. In trying to get through to the next block, the engine started to knock. (My guess is preignition thanks to the ...
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3 votes
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BMW E46 driver side door won't unlock/lock with the key or the central locking button

I have an E46 BMW whose driver side door won't unlock or lock with both the key and the central locking button. I can still unlock/lock it with the key and with a push of my finger from the top. I can ...
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Does BMW use piezo-injectors for all their diesel engines since N57?

I've heard rumors that since piezo-injectors in N57s proven to be unreliable, BMW switched back to solenoid-type injectors in later engines. Now I see piezo-type in B57 specs. My question is what ...
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How to replace an alternator on a BMW 3 series E46 320d (M47 engine)

I am trying to replace the alternator on a BMW 320d E46 with an M47 (diesel) engine. I know how to replace an alternator in general (I've done it before on another car where the alternator was a bit ...
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Stubborn rear fog light (BMW E46)

The rear fog light in my BMW E46 2001 is broken. Obviously, I first tried replacing the bulb itself, but the old bulb was still fine. I tried with a new bulb anyway, but the light didn't work. I ...
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BMW 2008 328i Sedan iDrive GPS Navi LCD display - how to connect video RCA to it

Does anyone know how to connect a video RCA to the BMW iDrive LCD display? I opened it up and saw this 12-pin connector but there's no RCA hookups anywhere. I wanted to connect a rear view camera to ...
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3 votes
1 answer
166 views

Can power steering groan be caused by load of AC compressor?

Car: BMW 2007 530i (N52 Engine) 210,000KM Details: Single accessory belt for AC, Power Steering, Alternator AC is clutchless variable displacement Tensioner and idler pulley's replaced Problem: ...
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3 votes
1 answer
2k views

BMW CAN bus data format

https://www.reddit.com/r/CANBus/comments/39pzpp/bmw_3series_2015_odometer_reading/ I am using the above website as reference and sending commands to engine ECU. I have a log from BMW engine ECU (below)...
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3 votes
2 answers
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BMW 525i 2001 after maintenance makes whining sound, hesitates before moving

I have a 2001 BMW 525i where I just replaced the spark plugs and the cooling system inlet and outlet hoses and the intake manifold gasket. I got it all put back and started up but makes a whining ...
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2 votes
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43 views

Bmw 530d moves my car all over road on bumpy roads

I own a bmw 530d and i just met with an accident wherein the car’s right side suspension / arm/ alloy (both front and back only right side) got replaced , i got the suspension and tyre alignment done ...
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193 views

Are my cats bad? -- secondary O2 sensor voltage

I have a 2002 BMW M3, and I've been trying to track down a poor fuel economy issue for quite some time now. My long term fuel trims are high (+7%-10%), and when I had the car on the dyno a couple ...
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36 views

Bmw N52N Lambda probes madness

Owner of a BMW E60 523i LCI Automatic (N52N engine. aka N52k). 105000 Kms on the clock. The error codes below after deletion, re-appear after 300~400 Kms. It is theoritically impossible for 4 lambda ...
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2 votes
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44 views

BMW jumping to park at stop

My BMW X1 (2013, 2.0L Turbo) occasionally jumps to Park when I'm stopped at a light. It happens whether the auto engine start/stop function is on or off. I then have to put the car in drive again to ...
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Is my cat dead?

My car is a 2003 bmw e46 with 2.2 petrol engine. Just bought an elm 327 Bluetooth scanner and did some testing with it. Below are some graphs made with ScanMaster app. This is lambda output voltages ...
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309 views

High Oil consumption in my BMW x3 - 2014 - (F25) 2L Diesel engine

i have recently got my BMW x3 with 41,000 km on it after running for some time it asked for a oil 1L oil topup so i called BMW dealership and they asked me to get a castrol 5w30 and top it up and i ...
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2 votes
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297 views

Transmission or torque converter issue?

Long story short, car is a BMW 530d automatic from 2012 with the ZF 8 HP transmission. The problem is, after the timing chain was replaced, 2 years ago (and transmission pullet out to do that), the ...
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591 views

BMW e83/2008 X3 rear wheels skidding at low speed turns

After replacing worn gear in transfer case actuator servo motor, I noticed that rear wheels appear to be skidding on dry surface when I try to brake or accelerate at low speeds with steering wheel ...
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2 votes
0 answers
183 views

Car keeps breaking fuel injectors?

Ok so i'm having quiet a strange issues with one of my cars (08 X5 E70 4.8L V8) that may be worth discussing. It seems to keep "blowing" through injectors on only one bank. Suddenly i noticed CEL and ...
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2 votes
0 answers
7k views

BMW X3 Jumps to Parking mode

I drive a 2012 BMW X3 F25 (2.0d) automatic. Very frequently, when I come to a halt, the shifter jumps to parking mode. If I disable the Start/Stop system, the problem seems to disappear. I got many ...
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92 views

Can anyone help me identify the source of this noise? The whining was there previously but the rattle appeared on the journey home tonight

As the title mentions, this has appeared recently, and is a little concerning. The car does not seem to be down on power, but the commute tomorrow concerns me. Any idea what this is, and whether the ...
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2 votes
0 answers
175 views

99 BMW 323i E46 5 Speed Manual Trans Stuck In Reverse

I drained the fluid and found metal pieces. It won't shift into any gear other than reverse. When I try to shift into the other gears it locks up and stalls out. Can anybody help I think I'll have to ...
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2 votes
0 answers
2k views

BMW 520d e60 2008 diesel engine won't start after switching off

I have a strange behaviour of my car. Engine starts well at any weather condition but after driving and switched off engine cannot start again for 20 - 40 minutes. After this time it starts like ...
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2 votes
0 answers
462 views

BMW 320D 2011 ED - Engine Malfunction Icon

driving back from work and this warning light came on.. the car wet into limp mode but then was ok after 1 second. No lights on after that! today the same thing happened driving to work came on for 1 ...
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2 votes
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874 views

How to diagnose BMW MOST bus fiber optic for a break in the loop

Got a BMW e93 with no sound, center console displays "No Warning Tones" message. Searching the web, came to conclusion that there maybe a break in the fiber optic MOST bus loop. Car has been ...
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80 views

How to interpret "crankshaft adaptation inlet Grad KW" value?

I'm trying to understand the meaning of this value and the implications of it being over the 120 limit. Do you think you could help me out with some thoughts about it? I think it should say "...
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24 views

Need help diagnosing lack of power below ~3k RPM

I have a 1999 BMW 523i E39 that feels extremely slow below roughly 3k RPM and would like some ideas on things I can do to diagnose it. I tried towing a 1200kg trailer recently and really noticed the ...
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57 views

e39 525i AT hard shift from P to D

The gear selector seems to be stuck in P, but if I put a little bit of force I can get it out from P to D, however when I do this I can hear under the car noise from the transmission. Because of that ...
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0 answers
29 views

Tire tread difference on bmw 328xi

Recently bought a 2007 BMW 328xi awd and the tread on the tires are different. This concerns me because I’ve heard that that is bad and I don’t want any issues down the road. How bad is that on this ...
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22 views

Adjusting a manual window

Changed doors on 1976 BMW 2002. Reinstalled windows in their original positions. Now though when I begin to roll the drivers side window down it initially falls backwards with a clunk. Rolling up, ...
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1 vote
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439 views

Bizarre Lack of Heat From Heater Vents - 2010 BMW E91 318d

I have an issue I'm struggling to pin down with my 2010 318d 3 Series Touring: All air vents blow cold or at best, luke warm air into the passenger compartment, even on long journeys when the vehicle ...
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  • 111
1 vote
1 answer
1k views

Emission High CO and High Lambda

It fails at 2500rpm only with CO 0.5~0.6 and Lambda 1.04~1.05. How can it possible be that emission fails because of HIGH CO, and HIGH lambda reading... It means that engine runs rich and lean at the ...
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1 vote
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193 views

steering wheel vibration only when the engine is warm

my car is a 16' BMW 750i (G12) with 26,000 miles on it currently. When I first start the car, there is absolutely zero vibration at all, but I'm starting to get a vibration only through the steering ...
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1 vote
0 answers
41 views

Clicking BMW E36

I have a 1995 BMW E36 with an M50B20TU engine. When I turn on the ignition, but don’t try and start the car, I hear a regular clicking noise, which I believe is coming from the solenoid shown on ...
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  • 111
1 vote
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76 views

Steering angle is several degrees off on the steering rack - 2014 BMW F01

I have a 2014 BMW F01 (750d xDrive). It keeps pulling to the right and I initially thought the car needed an alignment. I got an alignment at a local shop, but the problem persisted. I went to the ...
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  • 111
1 vote
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62 views

Car doesn't cold start on first go

Model: BMW 330i E46 (6 Cyl) Port Fuel Injection New spark plugs, old coils New fuel filter (and regulator) Problem: On a cold start, the engine will crank, fire and turn over by itself for about 1 ...
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1 vote
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42 views

BMW manual transmission slow to accelerate but only in certain gears

After a service where the engine computer was replaced, I've noticed that certain gears are not behaving normally. 2nd, 4th and 6th behave normally: if I have my foot down on the gas pedal, it ...
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  • 111
1 vote
0 answers
28 views

BMW36 weird high pitched whistle

so My E36 3.1.8i has been making this weird high pitched rattling whistle which sounds like it is coming from either around where the flywheel would be placed is hard to tell exactly where it is ...
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1 vote
1 answer
3k views

BMW 316i (2013) iDrive - How to add GPS and Nav software to BMWs iDrive

I have a mid-option BMW 316i (2013). Which means that it has an iDrive display LCD in middle of the dash, which has Bluetooth/AUX/USB and other stuff but it does not have navigation and obviously no ...
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1 vote
0 answers
77 views

Can someone help to find the root cause of this oil leak?

I am trying to locate the root cause from where this engine is leaking oil so that I can buy all the right gaskets. What confuses me is that highest spot where the oil traces are visible is around ...
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1 vote
0 answers
50 views

Exhaust white smoke heavy now won't start 2001 325i BMW

smoke think from exhaust now won't start BMW 325 I 2001 brought recently from private owner
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1 vote
1 answer
340 views

2008 BMW 328i: Engine ticking & sounding like it wants to stall

So i'm stumped. Car is running very rough at idle, ticking noise and it wants to stall. I've replaced Spark Plugs \ Ignition coils DISA valve exploded, passed through intake. Replaced disa valve, ...
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1 vote
0 answers
20 views

Fan speed, temperature and direction cannot be changed

I own a BMW E81 (2009). I attempted to replace the standard stereo with a double DIN touch screen. I followed the steps as located here, with the same fascia. My radio required power to the fuse box,...
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1 vote
0 answers
51 views

X5 e53 spare key doesn't work

I recently purchased an older X5 with two keys. One is VERY worn and looks like it was used every day. It works fine. The other looks brand new, but does not work as a remote. I understand the keys ...
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1 vote
0 answers
73 views

BMW 318d 2006 e90 Starter Problem?

I have this weird issue, where my BMW starts When Its cold, but once the car heats up, It turns over after a couple of tries sometimes (10-20) sometimes it will not turn over at all, when that happens ...
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1 vote
2 answers
103 views

Rear suspension set up

I've recently changed my rear shock absorbers on my BMW e46 but left the springs as standard. I'm not sure if this has been a good idea. It seems very sloppy when going over speed humps and pot holes (...
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