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Old 02-09-2008, 10:43 AM   #8
3rd Gear Member
Join Date: May 2006
Location: TO
Posts: 390
is it front of rear?
BMW rear shock mounts are prone to fail...if it squeeks its most likely bushings
popping sound can be anything from bearings to CV joints to drive shafts

try jacking up or pushing down all corners of the car to see if you are reproduce the least you can narrow down to a specific wheel

springs can "pop" but only if you overload them suddenly or if you have aftermarket springs that have progressive spring rate or if you have lowered/cut springs...they pop when the coils slap together very quickly
jameswbl is offline   Reply With Quote