Through careful selection and pairing of components

the factory systems start to show their limitations

Compressor Map & Exhaust Flow Chart

(5) B Hub Plates (OEM = 5)

linking the crankshaft

BMW B46 Valves by SuperTech F87 Through careful selection and pairingThe SuperTech High Performance Valve Kit for BMW B46 Engines is expertly crafted to meet the needs of enthusiasts seeking improved performance, durability, and reliability. Designed specifically for the B46 4 cylinder engine, this kit is ideal for applications demanding high power output and efficiency, including racing, street performance, and track use. Engineered with precision by SuperTech, a trusted name among engine builders, these high