D2-282 Girodisc BMW G8X 370mm Rear Replacement Rings
Maintain top-tier braking performance on your BMW G87 M2, G80 M3, or G82 M4 with the Girodisc D2-282 rear replacement rotor rings. These 370mm rings are designed as direct replacements for worn-out rings in the Girodisc A2-282 two-piece rear rotor system—delivering consistent stopping power without needing to buy the entire assembly again.
Cost-Effective Rotor Restoration for Track and Street
FITMENT: BMW G87 M2, G80 M3, G82 M4 with Girodisc A2-282 370mm rear rotors
These high-carbon cast iron rings feature Girodisc’s proprietary metallurgy, developed for extreme thermal performance and resistance to cracking under repeated heat cycles. The 72 curved vane internal design promotes airflow to manage rotor temperatures on the most demanding track days or aggressive street driving.
Each ring is slotted to improve brake pad bite and reduce glazing while helping evacuate dust and gases during high-friction braking. They're designed to mount directly to your existing Girodisc aluminum hats and floating hardware, making the swap quick, precise, and cost-effective.
Sold and priced per pair.
D2-282 Rear Rotor Ring Features:
Direct replacement rings for Girodisc A2-282 370mm rear rotors
Made from high-carbon alloy cast iron for superior thermal resistance
Slotted design maintains pad performance and minimizes glazing
Reuses existing Girodisc aluminum rotor hats and float hardware
Engineered for track durability and daily drivability
Manufactured in the USA using premium domestic materials
D2-282 Replacement Ring FAQs:
Will these fit OEM or non-Girodisc rotors? No, these are only compatible with Girodisc A2-282 rear rotor hats.
Are hats or hardware included? No, this listing includes rotor rings only. Use your existing Girodisc components.
Can I drive on these daily? Yes, these rings are street-friendly while offering the cooling and strength needed for track use.
When should I replace my Girodisc rings? When they reach minimum thickness or show signs of edge cracks. Track cars may require more frequent inspection.
If you’re already running Girodisc rotors on your G8X and it’s time for a refresh, the D2-282 replacement rings offer a high-performance, cost-saving solution to keep your brake system race-ready.
