I recently acquired a project in the form of a E30 in a box more or less lol well they cut the plug off the ecu (engine) harness for the o2 sensor. The wires I have are brown, white (might be yellow) green, and black. My o2 sensor is typical colors 2 white, one gray, one black and am having trouble finding what wires got to what.... Any help or a point in the direction of where i can find the aswer would be awesome. Btw everyone ive talked to so far on the forum has been awesome in assiting. Thank you everyone for you time help and patience.
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Also have searched the web an this forum for the answer for two days now lol -
M50 vanos out of 93 325i is what I was told by guy I bought the car from not sure if obd I or obd IIComment
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I had the same exact issue in my m52. O2 end was cut off and I tried wiring it in and I never figured it out. I just ended up buying a new harnessIf you're not going to do it right, please don't take it out on your car!Comment
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harness side to o2 side
Green to white
Brown to white
black to gray
yellow to black
pics for reference
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Blaine thank you for the help it is greatly appreciatedComment
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