Beyond the headline items, commenters flag E92 seatbelt delivery rods, delicate cabin-air-filter cover brackets, early cat/O2 failures as a running-issue tell, window regulators, and near-universal front-underbody scrapes from the low nose.
Minor known issues: seatbelt rods, cabin-filter brackets, cats/O2, window regulators, front scrapes
BMW E9x M3 (E90/E92/E93, 2008-2013) · mechanical