While they can be used as simply as a preventative OEM-replacement

and their Mini piston sets are designed to improve the engine's power

This part will not fit the M' versions as a consequence

(2) 1/4" NPT brass plugs

allowing for more continuous and reliable engine operation

S50B30 / S50B32 Oil Filter Housing G30 While they can be usedBMW Part Number 11427839858 Oil Filter Housing The Genuine BMW Oil Filter Housing is an OEM component engineered specifically for the European spec S50 inline six engines, including both the S50B30 and S50B32 variants. The oil filter housing plays a vital role in the engines lubrication system. It securely holds the oil filter while managing and directing proper oil flow throughout the engine, ensuring consistent lubrication, cooling, and long term