E30 M52Tu/M54/S54 Swap Harness Adapter

M52TU must use MS42 DME
M54 must use MS43 DME (MS45 option now available!)
S54 must use MSS54 or MSS54HP DME

These Plug-and-Play wiring solutions will make your engine conversion a breeze.
These wiring kits use all new components. All crimp terminals and connectors are new. These kits are made with high temperature automotive grade wiring that resist oils, grease, and acids. 
Continuity tested on every wire during construction. Wrapped in high temperature expandable nylon sheathing to resist abrasion.
Instruction sheets are included with every harness kit.

These adapters include the following:

• Cluster temperature connector
  
• OBD2 diagnostic port
• Electronic pedal wiring (M54 and S54)
• Fuel pump wiring and relay
• Sport mode button (S54)
• E34 oil level sensor connector
• ABS power (90+ models)
• Secondary air pump wiring and relay
  
  

EWS (Immobilizer) delete is required. (Free with harness purchase)
The S54 USA version will require the Timed EKP module fuel pump relay BMW Part# 61357892976. This relay is not included.

**Adapters are made to order. Please allow up 2-3 days for completion.**

All adapter sales are final. Since they are made specifically for your vehicle, there will be no refunds.

** If you are using a mechanical gas pedal for your swap, please let us know before ordering. We can remove the wiring for the electronic pedal, but you will be required to tune the DME to make it work.