SKU: CSB53A-3
Spec 10 BMW 335/535 Aluminum Flywheel 2009-2012
The Spec 10 SB53A-3 aluminum flywheel delivers a direct performance upgrade for BMW 135i 335i and 535i models equipped with N54 or N55 engines. This lightweight component replaces heavy OEM dual-mass flywheels slashing rotational inertia for faster engine acceleration and improved throttle response. Drivers experience crisper shifts and reduced clutch wear in high-performance applications.
Key Features
- Lightweight Aluminum Build: Weighs just 11.3 lbs versus OEM 28+ lbs enabling quicker rev-matching and reduced drivetrain lag during aggressive driving.
- SFI 1.5 Certification: Meets rigorous safety standards for high-RPM track and street use with proven durability under extreme conditions.
- 6061-T6 Billet Construction: Precision CNC-machined for exact balance and strength resisting warping at sustained high temperatures.
- Replaceable Steel Ring Gear: Heavy-duty bolted design allows simple gear replacement without discarding the flywheel extending service life.
- Black Anodized Finish: Provides corrosion resistance and thermal protection maintaining performance in demanding environments.
Product Notes
- Designed for single-mass clutch systems pair with compatible SPEC clutch kit for optimal results.
- Expect slight increase in drivetrain noise compared to stock dual-mass setup.
- Special order item allow extra time for processing if out of immediate stock.
Installation Notes
- Professional installation recommended.
- Requires single-mass clutch and pressure plate not compatible with OEM dual-mass components.
- Includes ARP-grade flywheel bolts for secure mounting.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011 | BMW | 1 Series M | Base |
| 2010-2012 | BMW | 135i | Base |
| 2009-2012 | BMW | 335i | Base |
| 2010-2012 | BMW | 535i | Base |
| 2010-2012 | BMW | 535i xDrive | Base |
Why Choose SPEC?
- Backed by decades of racing wins in drag road race and rally applications.
- Manufactured in the USA with dyno-tested designs for real-world gains.
- Engineered for balance and longevity using aerospace-grade materials.
Frequently Asked Questions
- Q: Will this flywheel fit my 2010 BMW 335i with N55 engine?
A: Yes it bolts directly to 2009-2012 335i Base models with N54 or N55 3.0L turbo engines when using a single-mass clutch kit. - Q: What material is used in construction?
A: Billet 6061-T6 aircraft-grade aluminum with a heat-treated steel ring gear and black anodized surface for durability. - Q: What is the warranty coverage?
A: Limited lifetime warranty against manufacturing defects when installed and used per instructions.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed dimensions 14 x 14 x 5 inches
- Weight: 11.3 lbs product 15 lbs shipping
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