KPower K Swap Conversion Harness for 1984-1994 BMW 3 Series (E30)

Our K series E30 wiring conversion harness takes all of the guesswork out of your K series E30 swap since it’s 100% plug and play! No tedious splicing or wiring diagrams needed, just order the correct harness for your year vehicle and pair it with a Hondata Kpro4 or Link G4X ECU options and our RWD DBC Engine Harness and you’ll be up and running.   Please see notes below for 1986-1987 vehicles. With this harness installed, all of the E30 gauges and indicator lights function just like they did from the factory. If you’re looking for the best wiring solution for your K swapped E30 then we have you covered.  The under-dash portion includes: K series ECU connectors Engine harness connector OBDII scanner port OEM wideband O2 sensor connector Main relay Fuel pump relay O2 sensor relay 8 pin connector to engine bay sub-harness The engine bay sub-harness includes: Motorsports grade Teflon coated wire Raychem DR-25 high temp shrink wrap New OEM BMW C101 firewall connector and pins BMW temper