Performance & Compatibility

2008-2010     E60/E61     535i

Fluid Lock

or S52 valvetrain with a Ferrea Valve Kit for superior heat resistance

was designed for vehicles which have substantially increased engine power

BMW S54 Factory+ Rebuild Kit 11317576160 Performance & CompatibilityWe know that not every driver is interested in the crowded engine bay, power lags, or wear and tear of a turbo conversion. Depending on your racing class and application, turbo may not even be the right choice for your engine. For the NA BMW S54 enthusiast interested in rebuilding their engine with bulletproof internals, were introducing the 5150 Factory+ Kit. A carefully curated, budget friendly option for those looking to rebuild their Naturally