Typical Use: A/C Performance Quick Check

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Test conditions = 90°F & 50% Humidity

Note ambient temperature
Close all windows and doors.
Engine Speed = 1500-2000 RPM.
Blower Volume = Medium Speed
Temperature Wheel = "Max Cold
"Snowflake" Button = A/C On
Test conditions > 3 minutes

Fig 1: Identifying Temperature Sensing Equipment (1 Of 3)
Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Identifying Temperature Sensing Equipment (2 Of 3)
Courtesy of BMW OF NORTH AMERICA, INC.

Fig 3: Identifying Temperature Sensing Equipment (3 Of 3)
Courtesy of BMW OF NORTH AMERICA, INC.
Center vent discharge = .20°F less than the ambient temperature.