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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 3024 (Heating And Air Conditioning - Repair) >> Air Conditioning System >> 64 50... A/C performance test (R 134a) >> Observe the following conditions prior to the A/C performance test

Observe the following conditions prior to the A/C performance test

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect BMW diagnosis system. Check of the fault memory (no faults in the fault memory).
  2. Attach a thermometer with separate display device to the head restraint and route the display device wiring out of the passenger compartment outward.
  3. Perform the test in a suitable workshop area with an ambient temperature above 18° C.
  4. Vehicle temperature should be approximately the same as the ambient temperature in the workshop.
  5. Engine must be at operating temperature.
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