Noise In Rear

DerekSelmanRacing · 02-25-2013, 04:10 PM

No, it's not the diff clutch noises. It's only noticeable at very low speeds; a fairly loud clanking type noise which reminds me of a loose wheel lug nut rolling around inside a hub cap. My WAG is something inside the parking brake drum has broken/come loose and is rattling around at low speeds. Anybody had a similar issue?

HP Autosport · 02-25-2013, 08:48 PM

Quote:

Originally Posted by DerekSelmanRacing

No, it's not the diff clutch noises. It's only noticeable at very low speeds; a fairly loud clanking type noise which reminds me of a loose wheel lug nut rolling around inside a hub cap. My WAG is something inside the parking brake drum has broken/come loose and is rattling around at low speeds. Anybody had a similar issue?

Does it happen while turning or going in a straight line? If it were something in the parking brake, pull it while driving to see if the noise changes. If it doesn't, it's NOT likely in the parking brake.

spdy330 · 02-25-2013, 11:10 PM

Sub-frame bolt?

1RonM3n · 03-02-2013, 05:26 PM

Quote:

Originally Posted by HP Autowerks

Does it happen while turning or going in a straight line? If it were something in the parking brake, pull it while driving to see if the noise changes. If it doesn't, it's NOT likely in the parking brake.

what if the noise happens when your turning slightly or sometimes on full turn,
sounds like rubbing, but no signs of marks on the tires or wheels

HP Autosport · 03-02-2013, 10:22 PM

Quote:

Originally Posted by iRonM3n

what if the noise happens when your turning slightly or sometimes on full turn,
sounds like rubbing, but no signs of marks on the tires or wheels

Check your plastic wheel liners for rubbing marks.

Are you running wider than OE tires?

llis · 03-03-2013, 07:38 PM

From the description this seems to be the infamous cowbell, which usually is a rock caught in between the brake disc and the backing plate. (Search "cowbell" and you'll find lots of threads on m3post.) Tap on the plate and see if it has the same note. Sometimes some hard braking can free it, or you can try with your fingers. If it's not the same note, well, just ignore my comment.

advans · 03-03-2013, 09:26 PM

Quote:

Originally Posted by DerekSelmanRacing

No, it's not the diff clutch noises. It's only noticeable at very low speeds; a fairly loud clanking type noise which reminds me of a loose wheel lug nut rolling around inside a hub cap. My WAG is something inside the parking brake drum has broken/come loose and is rattling around at low speeds. Anybody had a similar issue?

check my thread below with videos...same sound?

http://www.m3post.com/forums/showthread.php?t=674328

02-25-2013, 04:10 PM	#1
DerekSelmanRacing Private First Class Drives: 05 Z4 3.0 SMG, 01 530 Join Date: Jul 2008 Location: Lake Havasu City, AZ. Posts: 196 iTrader: (0)	Noise In Rear No, it's not the diff clutch noises. It's only noticeable at very low speeds; a fairly loud clanking type noise which reminds me of a loose wheel lug nut rolling around inside a hub cap. My WAG is something inside the parking brake drum has broken/come loose and is rattling around at low speeds. Anybody had a similar issue?
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02-25-2013, 11:10 PM	#3
spdy330 Major General Drives: 05 Tundra, 11 M3, 08 Odyssey Join Date: Dec 2009 Location: Chino, CA Posts: 5,936 iTrader: (159) Garage List 2011.75 BMW M3 [4.40] 2006 BMW 330i - SOLD [5.00]	Sub-frame bolt? __________________ - 2006 E90 330i TiAG retired. - 2011.75 E90 M3 - BMW Performance Exhaust, BMW Performance Grills, Lux H8 V3, Reflector delete Euro style, Ceramic Tint 58%, Brembo 380mm BBK, V1 with custom multi-color display by www.Radar-Mirror.com - custom radar mount by www.performancepackage.com.
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03-03-2013, 07:38 PM	#6
llis octane chick Drives: Ms Join Date: Oct 2010 Location: Colorado Posts: 1,125 iTrader: (1) Garage List 2003 BMW M5 [0.00] 2002 BMW 530i (fs) [0.00] 2013 BMW M3 [5.00]	From the description this seems to be the infamous cowbell, which usually is a rock caught in between the brake disc and the backing plate. (Search "cowbell" and you'll find lots of threads on m3post.) Tap on the plate and see if it has the same note. Sometimes some hard braking can free it, or you can try with your fingers. If it's not the same note, well, just ignore my comment. __________________ 2013 E92 ///M3 ZCP 6MT Speed Yellow • 2003 E39 ///M5
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