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E28 M50, S50, M52, S52 Swap Wiring Harness Adapter

Original price $238.00 - Original price $238.00
Original price
$238.00 - $238.00
Current price $238.00
If you plan on swapping in a 24 valve engine into your e28, our plug and play harness adapters are the easiest way to go.
  • Installation Instructions included
  • Extra wire for MPG
  • Extra wire for Tachometer signal
  • Extra wire for Vehicle Speed Signal
  • Sensors are not included


  • E34 Oil level sensor connector

* Please leave the following info in the notes section when placing an order:

  • Model of your e28 (525, 535, etc.).
  • If you are using a Z3 harness.

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.