Boost your BMW's performance with this XACT Flywheel ProMass. It offers significantly improved engine response and acceleration, with only a mild gear rattle similar to OE. The heat - treated forging ensures strength and toughness, and the induction - hardened ring gears guarantee a long lifespan. Its one - piece construction reduces the chance of failure and provides efficient, uniform heat transfer from the clutch disc, eliminating warped inserts and loose ring gears. Ideal for both street driving and racing, it's forged, CNC machined, and dynamically computer balanced for smooth and reliable high - RPM operation. This part fits multiple BMW models from 2009 - 2016, including the 135i, 335i, 335i xDrive, 335is, 435i, 435i xDrive, 535i, 535i xDrive, and Z4 sDrive35i.
Using this flywheel is straightforward. Just replace your old flywheel with this one following your vehicle's standard repair manual. When installing, make sure all connections are secure and tight. For regular street use, there aren't many special precautions. But if you're using it for racing, be extra careful during high - RPM operations. As for maintenance, check the flywheel periodically for any signs of wear, like cracks or excessive surface damage. If you notice any issues, have it inspected by a professional mechanic right away. Also, keep it clean to ensure optimal performance.
