OEM GA8HP75Z 8-Speed Automatic Transmission

Complete OEM GA8HP75Z 8-Speed Automatic Transmission – M5 F90 / M8 F91/F92

The heart of M Performance. For sale is a complete, absolutely top-condition 8-speed automatic transmission, specifically the high-torque GA8HP75Z variant, as used in the BMW M5 F90 and BMW M8 (F91, F92, F93). This unit has covered approximately 55,000 kilometers and is sold as a complete, unopened assembly—the ideal solution for a major repair, restoration, or performance build.

Core Product Identification:

• Transmission Code: GA8HP75Z (M-calibrated, high-performance variant)

• Source: BMW M5 F90 / BMW M8 Series

• Mileage: ~55,000 km

• Condition: Used – Perfect / Top Condition. No leaks, noises, or shifting issues prior to removal. Physically intact.

• Completeness: Fully complete as removed, including the integrated mechatronics unit (valve body/TCU).

Features & Benefits

 Genuine BMW M Performance Transmission: The exact high-torque, sport-calibrated ZF 8HP unit designed for S63/S63TÜ engines. Delivers lightning-fast shifts and handles extreme power.
Complete & Unopened: Sold as a full assembly. Includes the critical mechatronics unit (the “brain” of the transmission). No need to source separate components.
Exceptionally Low Mileage: At only ~55,000 km, this transmission is barely broken in, offering long-term reliability and performance.
Direct Replacement: The most efficient solution for replacing a failed, worn, or damaged transmission in an M5 F90 or M8.
Tested & Functional: Removed from a running, driving vehicle with no known faults.

What’s Included & Technical Specifications

• (1x) Complete GA8HP75Z 8-Speed Automatic Transmission Assembly

• Includes: Integrated Mechatronics Unit (Valve Body & Transmission Control Module)

• Torque Capacity: Rated for the high torque output of M5/M8 engines.

• Fluid: Currently contains factory-fill transmission fluid. A fluid and filter service upon installation is highly recommended.

• Primary Fitment:

  • BMW M5 F90 (2018+)

  • BMW M8 Coupe/Convertible (F92/F93)

  • BMW M8 Gran Coupé (F91)