SKU: D1-282
GiroDisc 2021+ BMW M2/M3/M4 (G8X Excl CCM) Slotted Front Rings
GiroDisc slotted front rotor rings deliver direct replacement braking for 2021+ BMW M3/M4 (G80/G82/G83) and 2023+ M2 (G87) excluding carbon ceramic brake models. These two-piece rings reduce unsprung weight by 8.8 lbs total compared to OEM while slotted surfaces clear gases and water for consistent track-day stopping power. Precision engineering ensures fade-resistant performance under high heat.
Key Features
- Slotted Surface: Narrow slots enhance initial bite remove brake gases and shed water faster than plain rotors for reliable wet and dry conditions
- Two-Piece Design: Lightweight rings attach to durable OEM-style hats allowing easy replacement and 4.4 lbs savings per rotor over stock
- High-Carbon 72 Series Alloy: Resists cracking and warping at temperatures over 1000°F with curved vane cooling for sustained track use
- 390 x 36mm Sizing: Matches OEM front brake dimensions for bolt-on fit with existing calipers pads and hardware
- Stainless Steel Drive Buttons: Secure 360-degree float prevents distortion and noise during aggressive driving
Product Notes
- Designed exclusively for steel-brake G8X models excludes CCM-equipped vehicles
- Follow GiroDisc bedding procedure for peak performance and longevity
- Ships in protective wooden crate to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Bolt-on replacement uses OEM calipers pads and hardware no modifications required
- Torque drive buttons to 35 ft-lbs and float rings per manufacturer guidelines
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2024 | BMW | M3 | Sedan (G80 excl CCM) |
| 2021-2024 | BMW | M4 | Coupe (G82 excl CCM) |
| 2021-2024 | BMW | M4 | Convertible (G83 excl CCM) |
| 2023-2024 | BMW | M2 | Coupe (G87 excl CCM) |
Why Choose GiroDisc?
- Motorsport-proven rings used in professional racing series worldwide
- Handcrafted in USA with aerospace-grade materials for everyday and track durability
- Lifetime warranty on rotor rings against cracking warping and defects
Frequently Asked Questions
-
Q: Will D1-282 fit BMW G8X models with carbon ceramic brakes?
A: No this product fits only steel-brake versions excludes all CCM-equipped M2/M3/M4 -
Q: What material are the rotor rings made from?
A: High-carbon 72 series alloy steel with curved internal vanes for optimal heat dissipation and strength -
Q: What is the warranty and installation process?
A: Lifetime warranty on rings professional install recommended with OEM hardware for direct bolt-on fit
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Custom wooden crate 44 x 44 x 6 inches
- Weight: 55 lbs
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