Quote:
Originally Posted by davintosh
I'm going to go ahead & order parts for this job, and just do all four bearings. The maintenance records don't show that it's been done before (in 155,000 miles), and if one is rumbling now, it's probably just a matter of time before the others start in.
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Doing a bit of research before I replace the SAME bearing that failed less than two years ago (and ONLY ONE to ever fail), I found a bmw service bulletin that clued me in why they fail and it's not from age/miles. It's from impact. Rough pot hole or curb strike, especially if you hit a pot hole asymmetrically pushing the wheel sideways at the bottom.
I replaced 3 bearings on wife's car and figured it's just a matter of time before the fourth will need to be replaced but like my car one that has already been replaced actually needs replacing before the last of four. Seems wheel bearing not a periodic maintenance part.