This is great point Upallnight! All of my recommendations based on the assumption that all of the rudimentary steps already took place. I keep forgetting that a lot of members here have minimal experience with such systems as AC. I do not want fellow member ruined his AC compressor by forcing it to run without proper charge. Thanks for the reminder.

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2012 X5 x35i My new toy
2005 X5 4.4 Her's (Retrofitted Servotronic Steering Rack)
2003 X5 3.0 Mine (Retrofitted Servotronic Steering Rack and Heated Steering Wheel)
2001 M5 Son's car
2000 540i 6sp Sports pkg, supercharged. Son's car (Sold)
2001 530i (Sold)
1999 528i (Sold)
1975 2002 (Sold)