This oil filter housing cap for E46 M3 engine is a nice visual upgrade to your engine bay.
Machined out of aircraft billet aluminium, it makes them very solid and stable. The smooth internal machining is easier to clean when doing an oil change, and the bigger fin’s design better dissipates heat.
100% OEM fit, and uses the stock o-rings. It has been race car tested , and will work great on your street car.
Fits S52, S54 , S50 engines.