Upgrade to SuperTech valves for the ultimate performance in your E36 M3

EXAMPLE: If installing the catch can kit on the PCV valve hose and the diameter of the PCV valve hose barb measures 10mm

it controls the hydraulic pressure that actuates the camshaft timing adjustment

extending rod life

- Lowers Intake Air Temps (IATs)

ARP Harmonic Damper Bolt Set, BMW S58 Coupe Upgrade to SuperTech valves forBMW OEM damper bolts are grade 10 and Torque to Yield, designed for one time use. While this is adequate for factory power levels, these bolts fall short when power levels are increased. 5150 AutoSport has observed damper bolts coming loose and breaking, leading to engine and crank damage, as well as improper torque load between bolts. The factory bolts are simply not sufficient for those planning to run above factory power levels. 5150 AutoSport