描述
- Optimized Fuel Mapping and Timing Curve
- Increased boost pressure and turbocharger response
- Stronger/Broader power band and speed governor removal
- Smoother Transmission shift patterns
- Increased fuel efficiency
- ›See more product details
Get more from your 535i with a software upgrade from AMR Performance. Expected gains are 70hp and 80tq above stock as well as a night and day difference in the overall driveability of the vehicle!