If you plan on swapping an N52 or N54 engine into your e46, our harness adapters are the easiest way to go. Harnesses include the OBD2 diagnostic port, electronic accelerator pedal wiring, fuel pump relay wiring, CAS module wiring. oil pressure connector, coolant temperature connector, X60001 DME connector, and a custom CAN-bus emulator to simulate the missing E9x and E6x components.

These wiring kits use all new components. All crimp terminals and connectors are new. All kits are made with high-temperature automotive grade wiring that resists oils, grease, and acids. Continuity is tested on every wire during construction. Wrapped in high-temperature expandable nylon sheathing to resist abrasion. Instruction sheets are included with every harness kit. 

All adapters include the following:

• OBD2 diagnostic port
• Electronic pedal wiring
• Fuel pump wiring and relay
• CAN-Bus Emulator

Important Notes:

• N52 must use MSV70 DME (2006-2007), N52N must use MSV80 DME (2007-2013), N54 must use MSD80/MSD81 DME
• This kit requires the following matching set: Engine DME, CAS Module and ribbon, Ignition Key, and Key Reader.
• Please have your engine harness available to provide pictures of the connectors near the DME on your N52/N54 engine harness to confirm your setup.
• Email us the following info after placing an order: Model of your E46 (325i, 330i, M3, etc.).

All adapters are made to order. Because of this, neither returns nor exchanges are accepted. All sales are final.