S54 Solenoid Pack - NEWBrand new Genuine BMW solenoid pack for the S54 engine. We highly recommend only using brand new solenoid packs when rebuilding a vanos. The internal solenoid valves gradually wear out over time, which can affect the internal oil pressure of the vanos. Worn solenoids will cause fault codes and poor performance. ALWAYS use a brand new solenoid pack when rebuilding and S54 engine, especially a race engine! This will give you the optimal engine