NOTE: Foam is inserted through the 6"x10" opening

A competition grade fuel cell provides maximum performance and safety for high performance vehicles

the inner wheel has a greater angle than the outer wheel

This provides higher roll stiffness

providing superior clamping force and reliability under extreme loads

5150 AutoSport Factory+ Rebuild Kit, BMW M30 SPR-H1000D/BM NOTE: Foam is inserted throughYou love your naturally aspirated BMW. You know you could add more power with a turbo conversion, but you already love the way it sounds, feels, and drives. Many customers aren't interested in the extra wear and tear of forced induction, power lags, or a crowded engine bay. For the classic BMW M30 enthusiast interested in rebuilding their engine with bulletproof internals, were introducing the 5150 Factory+ Kit. A carefully curated, budget friendly