TheSaint’s 1992 R129 developed a passenger window that lowered itself and would not close. Later checks and a telephone consultation pointed the owner toward the roof controller, but no completed repair was reported.
An owner’s 2012 Competition Pack M3 with DCT intermittently clicked without starting. After conflicting battery and starter suggestions, a shop replaced the starter and the owner later confirmed the fault was fixed.
NikleinR6 traced intermittent trunk closing assist to leaks around the latch housing’s ball-bearing plugs. His repair and later owners’ follow-ups show both restored operation and recurring faults.