The PNPECU MxxECU PnP adapter kit for the M54 MS43 or MS45 allows you to gain full control over the engine while allowing easy fitment into your car, be it the original car or after an engine swap. All OEM functionality is maintained where possible.
Some functionality may not be available with your supplied ECU so contact PNPECU to discuss
Please make sure to select the right DME variant, MS43 or MS45
Support page - BMW M54 EMU BLACK PNPECU Wiki V5
The wiring adapter plugs straight into the OEM engine loom and then onwards to your ECU
- V5 Wiring adapter