5150 AutoSport Pro-Xtreme ZF 8HP7X Transmission Service

Price is based on the customer providing a transmission core. If you need help sourcing a core, please contact our sales team.

The 5150 AutoSport Pro-Xtreme ZF 8HP7X Transmission Service is a complete performance rebuild; Designed for extreme horsepower and torque, this service is the perfect companion for high-output engines like our Bully Stroker series.

Once we receive your transmission, it’s fully disassembled, cleaned, and inspected. Our expert technicians then rebuild it from the ground up using upgraded performance components—including billet baskets, high-performance clutches, and enhanced friction materials. The result is a transmission that’s ready to handle serious abuse on the street or track.

Key Features:

• Full teardown, cleaning, and inspection
• Billet baskets for superior strength and durability
• High-performance clutches and friction upgrades
• Replacement of worn and failure-prone parts
• Precision reassembly with exact torque specs
• Track-proven durability for high-load, high-RPM applications
• Returned fully assembled and ready to install

This service transforms the stock ZF 8HP7X into a battle-ready transmission built to handle demanding builds and aggressive driving.

8HP75 Applications: 

• BMW F90 M5
• BMW F91 M8
• BMW G11 750i
• BMW G15 M850i

8HP76 Applications: 

• BMW G80 M3
• BMW G82 M4
• BMW G83 M4
• BMW G87 M2
• BMW F90 M5 LCI 

Notes: 

Please note that this service requires customer to send their transmission to 5150 AutoSport for servicing. All transmission upgrade services include an 8-10 day lead time, beginning the day the transmission is received by 5150 AutoSport.

Heavy-Use Components such as racing transmissions require regular maintenance to ensure longevity and continued performance. 5150 AutoSport recommends submitting your transmission for inspection and service bi-annually.