Anom3’s July 2007-production E92 M3 produced an intermittent metallic clunk on cold starts. Several changes brought subjective improvement, but the owner’s final update says the cause remained unknown.
epj993 opened the bonded glass lenses, cleaned and repainted the housings, then resealed and realigned his fog lights. His account includes the destructive flange-removal step, a repaint after trial fitting, and a later report of almost two years without fading or chipping.
obz documented lighting changes, refinished wood trim and an Android head unit with wireless CarPlay. Later posts describe replacing the HIDs with LEDs and a different owner’s 2004 installation.