clunk clunk when turning low speed (2-5mph)

kormaster · Mon, Nov-27-2006, 06:13:22 AM

I have little clunk or grinding sound for 2 seconds when turning in parking lot. Happened to me 3 times maybe in the last week. Didnt happen today....

Info
04 SMG with 10800 miles.

Many members say its the diff.. just change the fluid and it should be fine. But others say its normal on smg or something.... Probably will take it to the dealer but they are gonna say its normal or they cant hear it....

Just wanted to ask before I go in... :nixweiss:

jorgeassoc · Mon, Nov-27-2006, 06:18:57 AM

do you have bbk?

kormaster · Mon, Nov-27-2006, 06:20:00 AM

car is virgin

woodpusherX · Mon, Nov-27-2006, 06:34:57 AM

does it happen when the car is cold? tell the dealer and they'll probobly put the cool kid diff fluid in.

kormaster · Mon, Nov-27-2006, 07:05:43 AM

Quote:

Originally Posted by woodpusherX

does it happen when the car is cold? tell the dealer and they'll probobly put the cool kid diff fluid in.

happened ONCE when it wasnt cold... on a normal sunny day here in socal..
Im gonna take the car in this week.... hope they change the fluid for me..

02PRUV · Mon, Nov-27-2006, 09:17:51 AM

Noisy M3 diffs. Get use to it

More so when it's cold. Don't worry about it though it's a good thing. Means your LSD is nice and tight and your not going to get any suprise one wheeling action. I like the fact M3 diffs are this tight

Les Davis · Mon, Nov-27-2006, 03:03:11 PM

Also, there is a problem with diffs that BMW is aware of. My 02 M3 started grinding and I mean grinding when you make a sharp turn into a parking space at slow speed. Much discussion with dealer. I could reporduce the sound (loud) when I wanted to. Sounded like I was dragging the underbody across a curb. Tried the oil change recommended by bmw and it still did it. Bmw then replaced my rear dif under warranty at 19,000. It cost them $1400 for a rebuilt dif plus labor. Car now has 35,000 and all the miles since the dif was changed were to and from the track or on the track. No noise. I had to reproduce the sound for BMW field manager. His face was red when I did.

Mon, Nov-27-2006, 06:13:22 AM	#1
kormaster Registered User Join Date: Jun 2004 Posts: 1,302 Reputation: 0 Location: Socal	clunk clunk when turning low speed (2-5mph) I have little clunk or grinding sound for 2 seconds when turning in parking lot. Happened to me 3 times maybe in the last week. Didnt happen today.... Info 04 SMG with 10800 miles. Many members say its the diff.. just change the fluid and it should be fine. But others say its normal on smg or something.... Probably will take it to the dealer but they are gonna say its normal or they cant hear it.... Just wanted to ask before I go in... :nixweiss: __________________

Mon, Nov-27-2006, 06:18:57 AM	#2
jorgeassoc Over 2000+hp.....More coming. Join Date: Jun 2005 Age: 39 Posts: 3,408 Reputation: 0 Location: 4 cars ahead.	do you have bbk? __________________ CURRENT: 458 ITALIA - R35GTR -E350 BLUETEC GONE: 430 SCUDERIA - 996 GT2- SUPRA TT- C6ZO6- E60M5 - EXIGE S- E46M3

Mon, Nov-27-2006, 06:20:00 AM	#3
kormaster Registered User Join Date: Jun 2004 Posts: 1,302 Reputation: 0 Location: Socal	car is virgin __________________

Mon, Nov-27-2006, 06:34:57 AM	#4
woodpusherX resU deretsigeR Join Date: Apr 2006 Posts: 162 Reputation: 0	does it happen when the car is cold? tell the dealer and they'll probobly put the cool kid diff fluid in. __________________ 2006 Carbon Black on Cinnamon Convertible

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Mon, Nov-27-2006, 09:17:51 AM	#6
02PRUV Registered User Join Date: Oct 2005 Posts: 199 Reputation: 0 Location: Australia	Noisy M3 diffs. Get use to it More so when it's cold. Don't worry about it though it's a good thing. Means your LSD is nice and tight and your not going to get any suprise one wheeling action. I like the fact M3 diffs are this tight

Mon, Nov-27-2006, 03:03:11 PM	#7
Les Davis Registered User Join Date: Nov 2005 Posts: 200 Reputation: 0 Location: Richmond	Also, there is a problem with diffs that BMW is aware of. My 02 M3 started grinding and I mean grinding when you make a sharp turn into a parking space at slow speed. Much discussion with dealer. I could reporduce the sound (loud) when I wanted to. Sounded like I was dragging the underbody across a curb. Tried the oil change recommended by bmw and it still did it. Bmw then replaced my rear dif under warranty at 19,000. It cost them $1400 for a rebuilt dif plus labor. Car now has 35,000 and all the miles since the dif was changed were to and from the track or on the track. No noise. I had to reproduce the sound for BMW field manager. His face was red when I did.

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