making it the premier choice for BMW enthusiasts

The latest Z4 has taken over the role of being an icon for the tuning community

Our ARP Head Studs are designed to be stronger than factory bolts

and replacing the end tanks

8HP45/50/51 Performance Transmission Service E91 making it the premier choicePrice is based on the customer providing a transmission core. If you need help sourcing a core, please contact our sales team. The compact 8HP45, 8HP50, and 8HP51 transmissions may be limited in stock formbut ATS changes the game. With complete Stage 0 through Stage 3 performance rebuilds, this service is designed for drivers who demand more from their driveline, whether on the street, at the drag strip, or during track days. Each transmission is