WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.Upgrading to the ACT 601170 XACT Streetlite Flywheel addresses the sluggish throttle response and slow rev recovery of the heavy factory dual mass flywheel. CNC machined from high strength chromoly steel forging, this 16.5 pound single mass conversion drastically lowers rotational inertia for quicker acceleration and cleaner rev matches. Designed specifically for the naturally aspirated BMW 3.0L 6-cylinder powerplant, this serviceable unit handles both street and drag racing environments with efficient heat transfer and induction-hardened ring gears.
Vehicle Fitment for ACT 601170
The ACT 601170 XACT Streetlite Flywheel fits 2006 to 2013 BMW manual transmission models equipped with the 3.0L inline six engine. This covers the E90, E91, E92, and E93 chassis generations, including the 128i, 325i, 328i, 330i, 525i, 528i, 530i, X3, and Z4 3.0i. See the Vehicle Fitment table for full year-by-year fitment. For any fitment or compatibility questions, please email Sales@xlr8.com, our team is happy to help confirm fit for your specific vehicle.
Performance Highlights
- Product Weight: 16.5 lbs (7.48 kg) for rapid rev climbing
- SFI Certification: Rated to SFI Specification 1.1 for safety
- Ring Gear: 115-tooth induction-hardened steel ring gear
- Balance: Dynamically computer balanced for high RPM reliability
Key Features and Benefits
- Single piece forged chromoly steel construction prevents warped inserts or loose ring gears
- Serviceable friction surface can be resurfaced during future clutch service
- Provides uniform and efficient heat transfer away from the clutch disc
- Allows conversion from dual mass to a more durable single mass design
- Accommodates both factory original clutch kits and upgraded ACT clutch kits
- Back by an industry-standard one-year manufacturer warranty
Specifications
- Product Weight: 16.5 lbs
- Material: Chromoly Steel
- Flywheel Type: Streetlite
- Tooth Quantity: 115
- Mounting Hole Quantity: 7
- Friction Surface Diameter: 240 mm (9.4 in)
- Friction Surface Configuration: Recessed
- Engine Balance: Internal
- SFI Rating: SFI 1.1
- Replaceable Friction Surface: No
- Grade Type: Performance
What's in the Box
- ACT 601170 XACT Streetlite Flywheel
- Required mounting hardware: M12-1.5 x 25mm flywheel bolts
Installation
This single mass flywheel conversion requires experienced mechanical skills to install. This conversion is compatible with both stock style clutch components and matching ACT performance assemblies. Please note that changing to a single mass flywheel removes the noise dampening properties of the dual mass unit, meaning mild gear rattle is expected after installation. Refer to the manufacturer guide for torque specs: ACT General Installation Instructions (PDF)
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