Dynamite Friction 4002-31108 Disc Brake Rotor Set - Front

DFC Geospec Front Brake Rotors

The Dynamite Friction DFC Geospec Rotor Set, part number 4002-31108, is a front disc brake rotor set for select BMW applications. It is built as a full cast replacement for aluminum hat disc and rotor setups on covered models, giving buyers a direct-fit brake rotor option for service and repair work.

• Brand: Dynamite Friction
• Brand line: DFC Geospec Rotors
• Part number: 4002-31108
• Front disc brake rotor set
• Full cast replacement for aluminum hat disc and aluminum hat rotor applications on listed vehicles
• Compatible With BMW Alpina XB7, BMW Alpina B8 Gran Coupe, BMW M760i xDrive, BMW 740i, BMW 740i xDrive, BMW 745e xDrive, BMW 750i xDrive, and BMW 750Li xDrive front brake service

DFC Geospec Rotor Line

DFC Geospec Rotors are positioned as a replacement rotor line for specific OE brake configurations. For this application, the 4002-31108 front rotor set covers BMW and Alpina models with M Sport brake packages and standard brake configurations where noted in the fitment data.

Vehicle Fitment

• Fits 2025-2026 BMW Alpina XB7, front; full cast replacement for aluminum hat disc.
• Fits 2025 BMW Alpina B8 Gran Coupe, front; full cast replacement for aluminum hat disc.
• Fits 2022-2024 BMW Alpina B8 Gran Coupe, front; full cast replacement for aluminum hat rotors.
• Fits 2023-2024 BMW Alpina XB7, front; full cast replacement for aluminum hat rotors.
• Fits 2023 BMW M760i xDrive, front; full cast replacement for aluminum hat disc.
• Fits 2021-2022 BMW 740i, front; M Sport brakes.
• Fits 2021-2022 BMW 740i xDrive, front; M Sport brakes.
• Fits 2020-2022 BMW 745e xDrive, front; M Sport brake.
• Fits 2020-2022 BMW 750i xDrive, front; M Sport brakes.
• Fits 2020-2022 BMW 750Li xDrive, front; standard brakes.
• Fits 2020-2022 BMW M760i xDrive, front; full cast replacement for aluminum hat rotors.

Common Brake Service Uses

• Front rotor replacement for worn or scored BMW brake rotors
• Service for brake pulsation or steering wheel shake during braking
• Replacement for rotors with heat checking, grooves, or uneven wear
• Repair work on BMW and Alpina front brake systems with listed OE-style configurations

Installation Notes

Confirm the vehicle year, model, brake package, and front axle configuration before ordering. This part number, 4002-31108, is listed for front applications only and should be matched to the exact OE brake setup shown in the fitment table. Professional brake installation and rotor inspection are recommended during service.

Quality Assurance

Dynamite Friction DFC Geospec Rotors are cataloged for direct application matching on the listed BMW and Alpina vehicles. This part cross-references no additional part numbers in the provided data.