Safe to assume that oil filter housing gasket is leaking? 2011 335i N55 : r/BmwTech
How To Fix A Leaky Oil Filter Housing On An N51, N52, N54, Or N55 Engine
Leak near oil filter housing - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
How To Fix A Leaky Oil Filter Housing On An N51, N52, N54, Or N55 Engine