Oil Leak...puddling near Oil Filter Housing Cap - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
Oil filter housing leak. Small leak running down below filter housing coming from behind the housing where O ring sits. Experienced mechanics would say it's the O ring needing replacement? : r/MechanicAdvice