Dynamite Friction 4004-31102 Disc Brake Rotor Set - Front and Rear

DFC Geospec Rotors for BMW Fitment

The Dynamite Friction DFC Geospec Rotors part number 4004-31102 is a disc brake rotor set for front and rear axle service on select BMW applications. It is listed as a full cast replacement for aluminum hat disc and aluminum hat rotor setups on covered Alpina and 7 Series models.

Key Features

• Disc brake rotor set for front and rear positions
• DFC Geospec Rotors line from Dynamite Friction
• Full cast replacement for aluminum hat disc and rotor applications on listed vehicles
• Direct fitment coverage for select BMW Alpina XB7, Alpina B8 Gran Coupe, M760i xDrive, and 750Li xDrive models
• Part number 4004-31102 for catalog and service matching

Fitment Details

• Fits 2025-2026 BMW Alpina XB7, front and rear; full cast replacement for aluminum hat disc.
• Fits 2025 BMW Alpina B8 Gran Coupe, front and rear; full cast replacement for aluminum hat disc.
• Fits 2022-2024 BMW Alpina B8 Gran Coupe, front and rear; full cast replacement for aluminum hat rotors.
• Fits 2023-2024 BMW Alpina XB7, front and rear; full cast replacement for aluminum hat rotors.
• Fits 2023 BMW M760i xDrive, front and rear; full cast replacement for aluminum hat disc.
• Fits 2020-2022 BMW 750Li xDrive, front and rear; standard brakes.
• Fits 2020-2022 BMW M760i xDrive, front and rear; full cast replacement for aluminum hat rotors.

What This Rotor Set Helps Address

• Brake rotor replacement for worn or damaged front and rear rotors
• Service needs on BMW models using aluminum hat disc or rotor construction
• Rotor matching for standard brake applications on the 750Li xDrive
• Restoration of braking surface condition during brake system maintenance
• Catalog matching for the correct DFC Geospec Rotors part number 4004-31102

Installation Notes

Verify rotor diameter, brake package, and axle position before installation. This set is listed for front and rear use on the specified BMW applications, including Alpina XB7, Alpina B8 Gran Coupe, M760i xDrive, and 750Li xDrive. Confirm the vehicle’s existing aluminum hat disc or rotor configuration where noted, and follow factory service procedures for brake inspection and bedding.

Quality Assurance

Dynamite Friction identifies this rotor set under the DFC Geospec Rotors product line, with fitment defined for the listed BMW applications and brake configurations. Part number 4004-31102 is provided for accurate ordering and service reference.