Quote:
Originally Posted by dougal
I read on multiple forums that a failed AUX fan has cause the oil pressure warnings to come up on various BMW's including E36's, X5's and 5 series's.
In fact mine has failed - It won't start up at all and the aircon doesn't cool when in traffic or parked. I tried a 2nd hand aux fan for 1 minute at a ac specialist (just plugged in not fitted) and that started up fine.
So 100% my AUX fan has failed.
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Dougal. That may very well be it. I had oil pressure warnings -- changed op sender, read pressure readings, etc. While still chasing, I had a autologic connected and it pulled up bad aux. NOTE, that AC was absolutely just fine in standstill, so never noticed it being shot. Anyhow, now that I think about this in changing the AUX fan about a month later, the OP went away