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Old 09-26-2011, 08:55 PM   #5
Parts hoarding partner...
Ceeker's Avatar
Join Date: Nov 2007
Location: Toronto
Posts: 3,428
usually, this is a motor mount issue. Get your friend to put the car in 1st gear with the clutch in. Stand on the break -make sure you also have a wheels chalked for safety under the front wheel. See if the motor moves DRASTICALLY when he's on the gas and backs off. If the motor rocks back and forth then you have a bad mount(s).

wheel bearings usually droan under load when turning.

Strut bearings usually clunk similar to CAB and can make noise while driving over bumps.

Trailing arm bushing don't clunk - they usually make the car unstable in the rear when driving aggressively changing lanes or cornering - giving a stepping out feeling of the back end. if anything it would be the rear sub frame bushings. This would also cause a clunking sound again when off and on the gas-under load.

check guibo as suggested and transmission mounts as well and "maybe" a bad u-joint but that would need to be pretty severe.

I think I've had 18 bmw's in 6 years.

1 90 325is white - keepin
1 87 325i vert -red - keepin
latest addition 1 88-325is red - parts
latest addition 1 89-325i vert - white -fixin/sold
latest addition 1 92-318i vert - blue - parts
latest addition 1 87 325is blk - parts.
latest addition as of 2013-Gold 87-325is auto! it's a keeper!
KEEPER 88 5sp Vert 2016

Last edited by Ceeker; 09-26-2011 at 08:59 PM.
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