Name: K to E30 Plug and Play Conversion Harness
Brand: KPower Industries
SKU: KP-E30-CONV-HARNESS-LATE
Price: 595.0 USD
Availability: InStock

K to E30 Plug and Play Conversion Harness

Select Vehicle Year

1988-1992

1986-1987

1984-1985

Price

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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 temperature sensor connector for E30 temp gauge
Delphi waterproof inline fuse holder and 30A fuse for constant 12V power
Power terminal to connect directly to battery terminal lug on firewall

Notes:

Note that early model cars will want to swap to a late model cluster with the tachometer coding plug located in the front. The older tachs have a hard stop at 7000rpm. Also, the 4 cylinder coding plug must be used for a proper tach reading. BMW part 62111394321.
1986 and 1987 cars do not always have a check engine light in the cluster/chassis wiring. The CEL wire is unterminated and present in our harness but customers need to connect the wire for the CEL to illuminate.