Quote:
Originally Posted by wpoll
Nothing - the guide bolt is suposed to be clean and dry - that's it. Same with the rubber boot it slides in. No lube...
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^What he said. I never lube the guide/slider bolts on BMWs. Just clean them well. But I know people who
do lube them with no ill effects, so it might be okay either way.
Quote:
Originally Posted by nick325xit 5spd
Is the caliper comes lose while driving, your risk is that it jams in the wheel barrel. That'll either destroy the wheel, or possibly even lock up the tire.
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I had this exact thing happen when I did a set of brakes on an FX35 about 4 years ago. Don't know if I did not torque it or? Rear caliper bracket rotated after bolt backed out and jammed the rear wheel locking it up. I now use a bit of locktite on caliper bracket bolts...