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      04-17-2009, 10:46 AM   #1
Kream
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Strange noise while turning

Just got my M back yesterday from the body shop. They replaced front right wheel, tire, brake caliper, disc, steering knuckle, lower control arm, front strut assembly, spring, stabilizer, and steering gear assembly. Basically the most of the front suspension. It was balance/aligned.

This morning I started the car and reversing out of my driveway. I noticed this weird rubbing/humming noise (sounds like its coming from the engine or front of the car) while i was reversing and moving the steering wheel. The same noise again when I was in first turning out to the main road. It was gone after that.

I started the car again for a trip to the bank. Same noise came back, reverse and first. On one of the turn I took a hard right turn @ 40mph and I heard the noise again. I couldn't replicate this to the body shop. Does anyone know what this maybe? I did some research online and it could be anything from the LSD, drivetrain, pulley, or fender rubbing. One of the tech told me its because one of front tire is brand new and it needs time to wear down. I don't believe that.

Also, my TPMS light keeps coming on after 5 minutes. They tried resetting it and it does go off. But after 5-10 minutes of driving it comes back on.

Thanks, Kream
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      04-17-2009, 04:49 PM   #2
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does it only make the noise when the car is cold? when my car is cold and while i make turns my differential is making a screeching/clanking noise. my mom had the same issue in her corvette, only much worse, and louder.
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      04-18-2009, 01:21 AM   #3
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I get strange noises from my passengers while turning
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      04-18-2009, 05:08 PM   #4
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Really? It apparent when the engine is cold and it is coming from the passenger side. I guess this is normal. Thanks guys!
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      04-18-2009, 09:22 PM   #5
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whats it sound like? where does it appear to be coming from?
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      04-19-2009, 03:02 AM   #6
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To me, it sounds like the engine is sputtering or going to stall but never does. Its coming from the front passenger side.
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      04-19-2009, 08:38 AM   #7
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I get the same noises from the passenger side as well.
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      04-20-2009, 09:51 AM   #8
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An update to this "noise" I'm having. It does go away after the engine warms up. But every time I take a hard right turn I'm getting a different noise (sounds it like its coming from the suspension). This is possibly due to all the parts I had replaced in my accident. I'm going to have BMW check on this. Its strange that it only does it on one side and not the other.
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      06-06-2009, 12:30 PM   #9
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Quote:
Originally Posted by Kream View Post
An update to this "noise" I'm having. It does go away after the engine warms up. But every time I take a hard right turn I'm getting a different noise (sounds it like its coming from the suspension). This is possibly due to all the parts I had replaced in my accident. I'm going to have BMW check on this. Its strange that it only does it on one side and not the other.
Any update on this? I'm having a similar issue when turning hard right on a CPO M I recently purchased. Sounds like suspension as well. Supposedly never had an accident (carfax) and everything is stock (at least now anyway).

Thanks,
RJ
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      06-13-2009, 05:51 PM   #10
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Quote:
Originally Posted by ramyar View Post
Any update on this? I'm having a similar issue when turning hard right on a CPO M I recently purchased. Sounds like suspension as well. Supposedly never had an accident (carfax) and everything is stock (at least now anyway).

Thanks,
RJ
Turns out it was steering fluid. They flushed it, primed, and now its all good. The mechanic first thought it was the fender rubbing on the wheel.
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      07-27-2009, 04:30 PM   #11
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Took the car in for scheduled maintenance today and also had them take a look at the noise. Just got a call from my sa and he said that [in my case] it was the rear differential. He said there's a service bulletin for it and they're taking care of it. I'll see if I can find out what that bulletin is and post it.
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      07-27-2009, 08:01 PM   #12
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FYI there is a tech service bulletin on Diff noise while turning

It's typically solved with a change of fluid plus some friction modifier additives.
This specifically addresses diff noise in slow-speed turns.

P/N 832 222 82 583 SAF-XJ + FM booster

Plenty to read here: http://www.m3forum.net/m3forum/showthread.php?t=86605

NOTE this change may not necessarily cure all cases of differential noise/grinding, YMMV.

regards

rob
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      07-28-2009, 01:20 AM   #13
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Quote:
Originally Posted by Kream View Post
Also, my TPMS light keeps coming on after 5 minutes. They tried resetting it and it does go off. But after 5-10 minutes of driving it comes back on.
Check the tire pressure. If you are close to the low side on pressure the light will sometimes come on once the tires warm up. With 5-10 minutes of driving it sounds like this is what is going on with your cars TPMS.
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      07-28-2009, 11:20 AM   #14
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From the service form description:
Quote:
Verified a grinding noise from rear end during tight cornering. Referred to SIB 330102. Replaced rear diff fluid with updated part. NOTE: As rear diff locking clutch wears in with new fluid, grinding noise will diminish further.
Sure enough, no more griding/rubbing noise as of this morning so looks like that did the trick.
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