E46Fanatics - View Single Post - OBD Fusion & Oil Temperature
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Old 02-15-2020, 12:53 PM   #11
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Join Date: Sep 2017
Location: Vancouver, British Columbia, Canada
Posts: 112
My Ride: '02 330ci
Originally Posted by LeverThis View Post
So what triggers the red oil light if there is no oil pressure sensor?

On the realoem diagram, I see that #12 is an oil pressure switch, #13 is oil temp.

(EDIT: Ok, you are right TobyB. There is no actual sensor giving pressure readings, only a switch to turn red oil light on or off.)

I see your edit, I believe red/yellow oil light is just level sensor.

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