Dynamite Friction 4002-31084 Disc Brake Rotor Set - Rear

Rear Brake Rotor Set for BMW and Rolls-Royce

The Dynamite Friction DFC Brake Rotors - GEOSPEC Coated rear disc brake rotor set is built for select BMW and Rolls-Royce applications that use aluminum hat or full cast rear rotor designs. Part number 4002-31084 is listed for rear fitment on BMW X7, BMW M850i xDrive, BMW Alpina XB7, BMW M760i xDrive, BMW 750Li xDrive, and Rolls-Royce Cullinan applications across model years 2017-2026.

DFC GEOSPEC Coated Rotor Line

The DFC Brake Rotors - GEOSPEC Coated line focuses on corrosion-resistant rotor surfaces for everyday braking service. This rear rotor set is cataloged for multiple OE-style configurations, including original design aluminum hat rotors, optional full cast rotors, and full cast replacement applications where specified in the fitment notes.

Key Features

• Rear disc brake rotor set for select BMW and Rolls-Royce vehicles
• DFC GEOSPEC coated surface for added protection against corrosion
• Cataloged for aluminum hat rotor and full cast rear brake designs
• Direct fit coverage for BMW X7 rear brake rotor replacement applications
• Part number 4002-31084 for fitment lookup and ordering

Fitment Details

• Fits 2025-2026 BMW Alpina XB7, rear. Full Cast Replacement for Aluminum Hat Disc; DFC Geospec Rotors.
• Fits 2025-2026 BMW M850i xDrive, rear. Full Cast Replacement for Aluminum Hat Disc; DFC Geospec Rotors.
• Fits 2025-2026 BMW M850i xDrive Gran Coupe, rear. Full Cast Replacement for Aluminum Hat Disc; DFC Geospec Rotors.
• Fits 2023-2026 BMW X7, rear. Full Cast Replacement for Aluminum Hat Disc; DFC Geospec Rotors.
• Fits 2025 BMW Alpina B8 Gran Coupe, rear. Full Cast Replacement for Aluminum Hat Disc; DFC Geospec Rotors.
• Fits 2024 BMW Alpina B8 Gran Coupe, rear. Full Cast Replacement for Aluminum Hat Rotors; DFC Geospec Rotors.
• Fits 2023-2024 BMW Alpina XB7, rear. Full Cast Replacement for Aluminum Hat Rotors; DFC Geospec Rotors.
• Fits 2023-2024 BMW M850i xDrive, rear. Full Cast Replacement for Aluminum Hat Rotors; DFC Geospec Rotors.
• Fits 2023-2024 BMW M850i xDrive Gran Coupe, rear. Full Cast Replacement for Aluminum Hat Rotors; DFC Geospec Rotors.
• Fits 2022-2023 BMW Alpina B8 Gran Coupe, rear. Original Design Aluminum Hat Front Rotors; DFC Geospec Rotors.
• Fits 2023 BMW M760i xDrive, rear. Full Cast Replacement for Aluminum Hat Disc; DFC Geospec Rotors.
• Fits 2020-2022 BMW 750Li xDrive, rear. Standard Brakes; DFC Geospec Rotors.
• Fits 2021-2022 BMW Alpina XB7, rear. Original Design Aluminum Hat Rotors; DFC Geospec Rotors.
• Fits 2021-2022 BMW M760i xDrive, rear. Optional Design Full Cast Rotors; DFC Geospec Rotors.
• Fits 2021-2022 BMW M850i xDrive, rear. Original Design Aluminum Hat Rotors; DFC Geospec Rotors.
• Fits 2021-2022 BMW M850i xDrive Gran Coupe, rear. Optional Design Full Cast Rotors; DFC Geospec Rotors.
• Fits 2021-2022 BMW X7, rear. Optional Design Full Cast Rotors; DFC Geospec Rotors.
• Fits 2020-2022 Rolls-Royce Cullinan, rear. Optional Design Full Cast Rotors; DFC Geospec Rotors.
• Fits 2017-2020 BMW M760i xDrive, rear. Optional design for full cast disc brake rotors.; DFC Brake Rotors - GEOSPEC Coated.
• Fits 2017-2020 BMW M760i xDrive, rear. Compatible with aluminum hat rotors designed to original specifications; includes Disc Brake Pad Wear Sensor.; DFC Brake Rotors - GEOSPEC Coated.
• Fits 2019-2020 BMW M850i xDrive, rear. M Performance; Optional Design Full Cast Rotors; DFC Brake Rotors - GEOSPEC Coated.
• Fits 2019-2020 BMW M850i xDrive, rear. M Performance; Original Design Aluminum Hat Rotors; DFC Brake Rotors - GEOSPEC Coated.
• Fits 2020 BMW M850i xDrive Gran Coupe, rear. DFC Brake Rotors - GEOSPEC Coated.
• Fits 2020 BMW X7, rear. Compatible with aluminum hat rotors designed to original specifications; includes Disc Brake Pad Wear Sensor.; DFC Brake Rotors - GEOSPEC Coated.
• Fits 2020 BMW X7, rear. Optional design for full cast disc brake rotors.; DFC Brake Rotors - GEOSPEC Coated.
• Fits 2019 Rolls-Royce Cullinan, rear. Front rotors with original design aluminum hat.; DFC Brake Rotors - GEOSPEC Coated.
• Fits 2019 Rolls-Royce Cullinan, rear. Optional design for full cast disc brake rotors.; DFC Brake Rotors - GEOSPEC Coated.

Common Brake Service Uses

• Rear rotor replacement for BMW X7 brake service
• Correction of rotor wear, scoring, or thickness variation
• Replacement for corroded aluminum hat rear rotors
• Service for brake pulsation or vibration during stopping
• Restoration of rear braking performance on BMW and Rolls-Royce models

Installation Notes

Verify rotor style against the vehicle’s original rear brake configuration before installation. Some listed applications reference aluminum hat rotors, full cast rotors, or pad wear sensor notes, so confirm the existing brake setup on the BMW X7, BMW M850i xDrive, BMW Alpina XB7, or Rolls-Royce Cullinan before ordering. Part number 4002-31084 should be matched to the exact rear axle application shown in the fitment table.

Quality Assurance

Dynamite Friction catalogs this rotor set under the DFC Brake Rotors - GEOSPEC Coated line for OE-style rear brake service on select BMW and Rolls-Royce vehicles. The fitment data provided here is the primary reference for application matching.