E46Fanatics - View Single Post - OBD Fusion & Oil Temperature
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Old 02-15-2020, 12:41 PM   #10
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Join Date: Jul 2016
Location: SF Bay Area, CA
Posts: 1,839
My Ride: 2004 325i automagic
Originally Posted by TobyB View Post
PASoft reads oil temps, too...

Why there are 2 pressure sensors on the brakes and even one on the air conditioning,
and yet none on oil just baffles me...

changing the subject
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.)

12 Oil pressure switch M12X1,5 1
13 Temperature sensor coolant / oil 1
13621433076 $16.27

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20mm OD x 12mm ID x 4mm W : Viton O-Ring
3/4" OD x 1/2"ID x 1/16" Thick : Thrust Bearing/Washer

Last edited by LeverThis; 02-15-2020 at 12:50 PM.
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