64 50... Air Conditioner Test (R 134a): Notes

WARNING: This page is about a different car, the 2005 BMW 760Li, 2004 BMW 760i, 2004 BMW 760Li, and 2003 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

Before A/C Efficiency Test, Satisfy Following Conditions:

Provide a MoDiC or DIS.
Provide a thermometer with separate gauge.
Compressor load (intake air temperature of approx. 50° C).

Re 1:

Connect MoDiC or DIS to car and display evaporator temperature.

Re 2:

Position a thermometer with a separate gauge approx. 5 cm below the roofliner at the height of the B-pillar. Lay gauge outwards out of vehicle interior.

Re 3:

Heating up vehicle interior:

A/C button is not activated during heating up.
Close all windows and doors.
Set recirculated air mode.
Select air distribution mode for footwell and defrosting.
Maximum temperature setting.
Maximum fan stage.
Run engine at approx. 2000 RPM.