The factory BMW flywheel is a 2 piece design that mitigates vibration and creates a comfortable driving experience. A single piece aftermarket flywheel will allow the engine to rev quicker and gives shifting a much more direct and mechanical feel. This also makes clutch modulation on spirited takeoffs much easier and more predictable and is a must if you plan on tracking or competing in your BMW.
This Streetlite flywheel is considerably lighter than stock and is the most durable flywheel offering from ACT. This is preferred for street or drag racing. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts. Noticeably improved engine response and acceleration, OE to mild gear rattle LifeHeat-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 CNC machined and dynamically computer balanced for smooth high RPM reliability
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The **ACT 601015 Prolite Flywheel** is ACT’s **lightest, lowest-inertia option**, designed for **quick throttle response and rapid acceleration**. Perfect for **road and rally racing**, it prioritizes **performance over drivability**. Precision-balanced for **strength, heat resistance, and rigidity**, it ensures **consistent high-rev performance**. Additionally, ACT flywheels are **fully serviceable** and can be **resurfaced without extra parts**.
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