Operation CHARM
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BMW
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1986
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528e (E28) L6-2693cc 2.7L SOHC (M20)
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Idle Speed
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Testing and Inspection
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4. Checking Periphery For Air Conditioner Speed
4. Checking Periphery For Air Conditioner Speed
Important!
After selecting a drive range (cars with automatic transmission) always only the nominal
idle speed
(700 +/- 50 rpm) is regulated (preferred circuit).