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      02-07-2017, 06:24 PM   #3
bgalex
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Drives: E46 M3, E90 M3, F10 M5
Join Date: Jun 2016
Location: Chicago

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Quote:
Originally Posted by tony093 View Post
it sounds like u need to get the diff serviced
He did also change the fluid in the diff. He said he was using Castrol but then after a day he told me he put the OEM BMW with FM booster.. Im wondering the fluid wasn't good and it started just now making noise? Is that possible?