Another thing that apparently was important to watch, though I didn't know it at the time, is the compressor temp viewable in inpa. My failing compressor would increase in temp as it was pumping while the temps on my new replacement compressor would barely budge after several test cycles.

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2012 xDrive35d
2001 BMW X5 3.0i 5MT
and two 1987 Corvettes - Callaway Twin Turbo and Guldstrand Grand Sport 80
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