2011–2015 E84 X1 xDrive/sDrive28i

With proven success on and off the track

Seat Locator: SEAT-BMS54

often caused by inadequate spring rates

BMW S58 3.4L Stroker Kit by 5150 AutoSport 11241307140 2011–2015 E84 X1 xDrive/sDrive28iBigger displacement, more TORQUE and more POWER. Our 5150 Autosport Bully Stroker kit is specifically designed for BMW S58 Engines. Utilizing CP Carrillo Pro Xtreme Forged Pistons and Pro Xtreme Rods, as well as the 5150 4340 Billet Steel Crankshaft, our stroker kits have stood up to the tests and trials of high horsepower applications time and time again. Benefits of Stroking an Engine With higher displacement, your engine will produce greater power