ACT 09-13 BMW 135i / 09-13 335i XACT Flywheel ProMass Performance ACT's Xtreme pressure plates increase

ACT's Xtreme pressure plates increase clamp load by 50 to 120 percent

fueling setup

Each harness kit includes all the necessary components to install and run a ReFlex+ Advanced I/O Controller on the vehicle it was designed for

while at high damper speeds

as both offer full MHD+ custom code support

ACT 09-13 BMW 135i / 09-13 335i XACT Flywheel ProMass Performance ACT's Xtreme pressure plates increaseNoticeably improved engine response and acceleration, OE to mild gear rattle; Heat treated forging for strength and toughness, induction hardened ring gears for maximum life; One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears; Recommended for street and race use; Forged, CNC machined and dynamically computer balanced for smooth high