Because my car is overheating
Yes the AUX fan must come on when the the AC is running. If your car is overheating change the water pump and thermostat.
SOURCE: LCD display - BMW x5 3.0i
You will want the factory service manual for the vehicle. You can contact your bmw dealer directly. If you would like I can try and locate one for you.
Thanks,
Lee
SOURCE: my bmw x5 3d relising so much smoke from exust
Just had my car in the garage with horrendous white smoke coming from the exhaust. The problem with mine was a blocked crankcase breather. When blocked oil is passed into the exhaust system apparently.
Problem solved by the mechanic and half a day in the garage with the engine running to burn off the excess oil in the exhaust and the problem was solved. Had gentle ride out to the coast yesterday approx 1.5 hrs each way and the smoke has gone.
Good result for £160.00. I dread to think what the dealer would have charged.
SOURCE: Front AC blower stop working on my BMW X5 2003
If you do not run even one level of performance as the needed engine control unit, check fuses! If they are okay, the fan is defective! is a frequent defect no only X5 E53 series
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