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Just checked they deffently did back 2 and I have 3 pressed out bushings in the old part box. Sounds like might have some diff slop.
That's what I'm thinking anywayLeave a comment:
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I don't think they could have replaced the 2 rear bushings without pulling off the rear cover. So you would have likely had a charge for diff. fluid/gasket on your bill.
Also I don't know how in the hell you would replace the front diff. bushing in situ but I've never done it.
I plan to replace all 3 this summer and as far I know I'll have to remove the diff. entirely.Leave a comment:
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When I said diff mounts I ment diff bushings.
I had a shop do the work cus they where in there anyway.
can I see if they actually replaced these parts as they said they did without taking everything off the underside of the car.
Bought the ecs 3 pack kit.Leave a comment:
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Diff bushings, check the 2 on the rear diff. cover. I don't think BMW sells these so must replace the whole diff. cover with new factory bushings, its about $190 or so. Or just buy some poly bushings.
Make sure to check your front diff. bushing, this one may have more to do with clunk than the rears.
Also the diff. bolts themselves can be comprised.
If you can jack the rear up and and SAFELY have someone drive slowy/shift you may be able to locate the problem area.
Alternatively you could set up a video camera to watch the diff. then engage your parking brake a bit as to simulate a load, then drive with the rear jacked up.Leave a comment:
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Rear Diff Issue
Hey new to the M3/BMW world.
I have a 2006 comp pack with 129k.
the rear diff makes a decent clunk when shifting at rpms above 3k.
I know the M3 has a M3 diff clunk but never being in these cars before this sounds excessive.
You can hear the load come off the diff and then back onto the diff.
replaced the cv axel, diff mounts, and fluid.
Still makes the noise.
Feels like slop inside of the diff when driving the car.
Am I on the right train of thought thinking here?
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