The SuperTech High Performance Valve Kit for the BMW S54 engine is engineered specifically for the E46 M3

10    4  2 6 8     7    5 1 3 9

and rotary ignition modes

BMW N54 Engines are not equipped to safely or reliably push more than 400HP or any excessive boost applications

Whether you’re refining a classic street car

Pro-Xtreme Aluminum Connecting Rod Set for BMW S38 B35/B36 Supra MKIII The SuperTech High Performance ValveThe 5150 AutoSport Pro Xtreme Aluminum Connecting Rod, made by CP Carrillo, is designed to handle high horsepower and high RPMs. While steel rods are a more common choice for connecting rods, some road racers opt for aluminum rods to reduce the weight of their rotating components. Benefits of our High Performance Aluminum Connecting Rods for Race Engines include enhanced acceleration, vibration dampening, higher RPM capability, battle tested