Easily harness the power of all your engine mods with a premium standalone ECU and our VAC-KMS engine harness for the BMW M50 family of engines.
Great for E36s, E34s, E39s or any vehicle or swap; this harness made by KMS to our specifications allows a plug-and-play installation of the KMS MP25/MA25 ECU onto your M50, M52, S50, or S52 engine. Simply plug in the included sensors, wire to your ignition coils and your ready to tune!
Great for-
Big boost and FI applications
Racing & track vehicles
Extreme performance Street Vehicles
Engine swaps
M5x/S5x into E30 chassis
Whatever you can dream to do with an M5x/S5x family engine!
Retains the use of VANOS
Includes all NEW needed sensors
Includes ignition drivers
Fully loomed and terminated just like OEM
Each wire individually and clearly labeled in plain language