Up for sale is a good used OE BMW E30 02 Oxygen Sensor Wiring Extension Extender Harness Early Model 3 Wire.

Details:

This is the wiring harness used on 84-87 325e cars to extend the plug on the engine wiring harness down to the 02 sensor under the car.

This harness is in good used shape and both connectors are nice and aren’t corroded.