SKU: CSB53S-3
Spec 2011-2013 BMW 335is 3.0L Steel Flywheel (6-Bolt)
This SPEC steel flywheel supports BMW 3.0L N54 and N55 engines in 2011-2013 335is, 2010-2012 135i, 2009-2012 335i models. Made from high-strength billet steel, it handles high torque with smooth engagement and long-term wear resistance. Pair with SPEC clutch kits for reliable track or street performance.
Key Features
- Steel Construction: High-tensile billet steel endures extreme heat and stress for longer life than aluminum flywheels
- 6-Bolt Pattern: Matches OEM bolt pattern for direct bolt-on fit to N54/N55 crankshaft flanges
- Precision Balanced: Balanced to 500 RPM for reduced vibration, noise and drivetrain harmony
- SFI 1.1 Certified: Meets racing safety standards with reinforced ring gear for dependable launches
- Weight 28.5 lbs: Added mass enhances throttle response and flywheel inertia for everyday driving
Product Notes
- Designed for organic or cerametallic clutch materials. requires matching clutch kit
- Apply anti-seize to bolts during assembly to prevent galling
- Ships in protective packaging. 30 lbs total weight with box
Installation Notes
- Professional installation recommended.
- Use BMW flywheel lock tool and alignment dowels for proper centering
- Torque flywheel bolts to 22 ft-lbs in crisscross pattern across multiple stages
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011 | BMW | 1 Series M | Base |
| 2010-2012 | BMW | 135i | Base |
| 2009-2012 | BMW | 335i | Base |
| 2011-2013 | BMW | 335is | Base |
| 2010-2012 | BMW | 535i | Base |
| 2010-2012 | BMW | 535i xDrive | Base |
Why Choose SPEC?
- Over 25 years building clutches and flywheels for BMW enthusiasts
- USA manufactured with rigorous dyno testing for real-world power handling
- Engineered for N54/N55 twin-screw and single turbo setups
Frequently Asked Questions
-
Q: Will this fit my 2011-2013 BMW 335is with N55 engine?
A: Yes, direct 6-bolt fit for 335is 3.0L N55 crank. no modifications needed -
Q: What material is the flywheel made from?
A: Billet steel with black zinc plating for corrosion resistance and heat dissipation -
Q: What is the warranty and break-in process?
A: Limited lifetime warranty on defects. 500-mile break-in with light throttle, no slipping
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Sturdy cardboard box 14 x 14 x 5 inches
- Weight: 30 lbs shipping weight
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