M50/M52/S50 Wiring Adapter (E30 inc M3)
Wiring adapter for M50, M52 and S50B30/S50B32 engine swaps into the E30 chassis. Adapts from the 25 pin E34/E36 engine plug to the E30’s 20 pin body plug.
For E30s made before July 1987, two wires must be added using the pins included. Comes complete with instructions and 2 year warranty. Made to order.