Quote:
Originally Posted by Beamernewbie
The only code that shows up is the dreaded P1093 that nobody including the BMW shops seem to be able to properly diagnose. The car runs perfectly engine wise even though the check engine soon light stays on and comes back on soon after I clear it. The compressor is engaging but I noticed when I pulled the pressure switch the compressor disengaged.
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I was thinking more of INPA as the tool mentioned. You can go straight to IHKA (HVAC) diagnostics and see what the system is unhappy about. Mine told me my compressor clutch had failed.
