Quote:
Originally Posted by Thunderguts
There's no easy way to add one either. You can get accurate water temperatures through the OBD port with any number of gauges or apps, but unless I'm mistaken, you cannot get oil temps through the OBD in the 128i. I was even considering the BMWP steering wheel, but I think the oil temp reading only works for the 135i.
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Oil temp is read by the pan level sensor, you can access oil temp (and coolant temp) through the 128s OBD port using the ProTool app or other devices.