rather than the rear

9:1 Compression – Mixing Power & Affordability

3-Channel Link Igniter

5mm Exhaust requires a VANOS Elimination Kit

The Mishimoto BMW N55 Baffled Oil Catch Can is designed and engineered to reduce carbon build-up

BMW B46 Valve Springs by SuperTech scr5150 rather than the rearSupertech Valve Springs for the BMW B46 engine are engineered for high performance builds that demand reliable valvetrain control at high RPMs. Whether you're chasing power on the street or building for track duty, these springs are designed to reduce valve float, improve stability, and maintain precise valve operation under extreme conditions. Developed with advanced materials and exacting tolerances, Supertech valve springs offer significantly