Bore size of 86

fully illustratedHeavy Duty drive belt systemOil breather assembly designed for boostCNC machined

The SuperTech Valve Spring Kit

For those seeking a robust and high-quality solution for their BMW S62 engine

5150 AutoSport Pro-Series Turbo Build Kit, BMW N54 Kit:Level 1 Bore size of 86From Factory, BMW N54 Engines are not equipped to safely or reliably push more than 400HP or any excessive boost applications. For those looking to liven up this daily driver with a turbo conversion, 5150 is introducing the tested, Pro Series Turbo Build Kit, an all inclusive arsenal of internals custom assembled to prepare your N54 engine for high horsepower, turbocharged performance. A Kit for Every Build and Budget There is no one size fits all,