Anecdotal because it comes from our shop.
Audi: Cam phasers, timing chains, cam adjusters, coils, coolant leaks, oil leaks, plugged secondary air passages(requires engine removal on some cars), antenna modules, CAN line issues.
Lexus: Ball joints on SUVs.
Audi: Cam phasers, timing chains, cam adjusters, coils, coolant leaks, oil leaks, plugged secondary air passages(requires engine removal on some cars), antenna modules, CAN line issues.
Lexus: Ball joints on SUVs.