E46/E39 - M54 Swap for M52TU Chassis - Wiring Harness Adapter
If you plan on converting from a M52TU engine to a M54 engine in your E46 or E39 chassis, our plug and play harness kits are the easiest way to go.
- Detailed installation instructions (Includes required ECU pin changes)
- Electronic accelerator pedal wiring
- Various engine wiring connector adapters
- Extra tool to assist with changing ECU pins
- Sensors are not included
Harness adapters will ship 2-3 days after your order is placed. All adapters are made to order. Because of this, neither returns nor exchanges are accepted. All sales are final.