Quote:
Originally Posted by bgalex
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?
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Mine did this for about 1000 miles after the diff fluid was changed to the BMW stuff with FM booster. It went away mostly after that. I get it every now and then when its still warming up.