Quote:
Originally Posted by mainbearing
At idle or 2000 rpms? The E91 numbers look fine, about where mine are. +1 E92 is low on refrigerant.
A scan tool like INPA can give you evaporator temp. 36-41F is about where evap core should be. And in hot S. FL, a 35F temp drop at the vents looks ok. You can try with windows closed and parked in the shade, and see if vents drop lower after 5-10 minutes.
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Yes at idle. I drove the e91 around the block a couple of times to get up to temp before measuring but was at idle for a while when testing. When I bought this car last year the AC was a bit more powerful for sure. Unfortunately the newest E9x is now 11 years old so we don’t know what the AC was like when new.
I’ve seen dudes online get a car in a 90 degree garage to put out 40 some at the vents. Maybe it is that im in the driveway but I got with a sunshade on.
These are my numbers on ISTA. Now im at 57-60 out the vents at idle