SKU: FW-1921-AL
Clutch Masters 21-24 BMW G80 M3 G82 M4 S58 6-Speed Lightweight Aluminum Flywheel
This Clutch Masters lightweight aluminum flywheel upgrades 2021-2024 BMW G80 M3 and G82 M4 models with the S58 engine and 6-speed manual transmission. It cuts rotational mass for quicker engine revving and sharper throttle response during shifts. Drivers notice faster acceleration and smoother operation right away.
Key Features
- 6061-T6 Billet Aluminum: Drops weight to 11.2 lbs from stock 26.5 lbs for reduced inertia and instant power delivery
- Chromoly Steel Ring Gear: 184-tooth heat-treated gear withstands high RPM abuse and ensures reliable starts every time
- Precision Balanced: Factory balanced to OEM specs prevents vibrations and extends drivetrain life
- Black Anodized Finish: Resists corrosion and heat for long-lasting performance in demanding conditions
- Direct Bolt-On Fit: Matches OEM bolt pattern for easy swap without modifications on S58 6-speed setups
Product Notes
- Designed exclusively for 6-speed manual transmissions verify your drivetrain before purchase
- Break-in period recommended allow 500 miles of normal driving before track use
- Secure packaging protects against shipping damage box measures 14 x 14 x 6 inches
Installation Notes
- Professional installation recommended.
- BMW flywheel locking tool EN-6165 or equivalent required to hold crankshaft during install
- Compatible with OEM clutch kits includes all necessary mounting hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2024 | BMW | M3 | Base |
| 2021-2024 | BMW | M3 | Competition |
| 2021-2024 | BMW | M3 | Competition xDrive |
| 2021-2024 | BMW | M3 | CS |
| 2021-2024 | BMW | M4 | Base |
| 2021-2024 | BMW | M4 | Competition |
| 2021-2024 | BMW | M4 | Competition xDrive |
| 2022-2024 | BMW | M4 | Convertible Base |
| 2022-2024 | BMW | M4 | Convertible Competition |
| 2022-2024 | BMW | M4 | Convertible Competition xDrive |
Why Choose Clutch Masters?
- Over 40 years building flywheels for BMW enthusiasts and racers
- Engineered for track and street with proven S58 durability
- CNC machined in USA for exact tolerances and zero defects
Frequently Asked Questions
-
Q: Does this fit xDrive M3 and M4 models?
A: Yes fits all 2021-2024 G80 M3 and G82/G83 M4 variants with S58 engine and 6-speed manual transmission including xDrive -
Q: What material is the flywheel made from?
A: Billet 6061-T6 aircraft-grade aluminum with a heat-treated chromoly ring gear black anodized for protection -
Q: What is the warranty and install process?
A: Limited lifetime warranty against defects professional install advised using BMW-specific tools takes 4-6 hours
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Foam protected box 14 x 14 x 6 inches
- Weight: 11.2 lbs product 15 lbs shipping
Clutch Masters
Clutch Masters performance clutches and flywheels for imports, domestics, and European platforms are stocked at Black Ops Auto Works. Shop single disc, twin disc, and multi-disc clutch kits, lightweight flywheels, and clutch components for BMW M2/M3/M4, Toyota GR Corolla and Supra, Subaru WRX/STI, Honda Civic Type R, Audi RS3, VW GTI/Golf R, Ford Mustang EcoBoost, Chevrolet Corvette and Camaro, Nissan 350Z, and Mazda Miata. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct clutch kit ships the first time. Black Ops Auto Works carries 339 Clutch Masters SKUs across clutch kits, flywheels, and clutch components. What This Brand Covers Clutch Masters manufactures performance clutch kits and flywheels engineered to handle increased torque and horsepower while maintaining a manageable pedal feel. Black Ops Auto Works stocks Clutch Masters products spanning street-friendly organic clutch kits up through full race spec multi-disc systems buil...
View Clutch Masters Products
Drivetrain
Drivetrain parts for high-horsepower Mopar, truck, Jeep, and import platforms are stocked at Black Ops Auto Works. Shop differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, and driveline hardware for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and turbocharged import platforms. Every drivetrain part is filterable by vehicle platform, drivetrain layout, transmission type, and power level so the correct part ships the first time. Black Ops Auto Works carries 4,765 drivetrain SKUs across differentials, axles, clutches, and transmission hardware. What This Category Covers The drivetrain transfers power from the engine to the wheels and includes the transmission, clutch, driveshafts, axles, differentials, ring and pinion gears, wheel hubs, wheel bearings, U-joints, shifters, mounts, and bushings. Upgrading these components improves power delivery, durability, and reliability under incr...
View Drivetrain Products
Flywheels
Performance flywheels for manual transmission builds are stocked at Black Ops Auto Works. Shop billet steel flywheels, chromoly flywheels, dual-mass replacement flywheels, and lightweight aluminum flywheels for HEMI, Viper, LS, Coyote, K-series, EJ, 2JZ, and RB platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 414 flywheel SKUs across weight, material, and tooth count categories. What This Category Covers The Flywheels collection spans lightweight aluminum flywheels for quick-revving race builds, billet steel flywheels for street and strip durability, and dual-mass replacement flywheels for daily-driven applications that need factory-level smoothness. The catalog is strongest on ACT, South Bend Clutch, and Fidanza flywheels for domestic muscle cars and import platforms, alongside OE-style dual-mass replacements for diesel trucks and European cars. Categories Included St...
View Flywheels Products
Transmissions
Transmission and drivetrain hardware for manual and automatic platforms are stocked at Black Ops Auto Works. Shop flywheels, flexplates, transmission crossmembers, mounts, coolers, valve bodies, shifters, shifter bushings, release bearings, slave cylinders, U-joints, and transmission rebuild kits for Subaru WRX and STI, Dodge Cummins diesel, GM G-Body and F-Body, BMW B58 and S58, Nissan 350Z, and Toyota GR Corolla platforms. Every part is filterable by year, make, model, and transmission type so builders can confirm the correct fitment before ordering. Black Ops Auto Works carries 1,322 transmission and drivetrain SKUs. What This Category Covers This collection spans the hardware that connects the engine to the drivetrain and manages gear selection, including flywheels, flexplates, transmission crossmembers, bell housings, transmission mounts, pans, coolers, filters, valve bodies, transmission internals, shifters, shifter bushings and cables, release bearings, slave cylinders, U...
View Transmissions Products


