Question about 2001 BMW 325

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I was traveling 5 to 10 miles an hours due to traffic for about 30 minutes. The aircon was on almost at the same time then suddenly, the engine temperature gauge went to red zone, which denote overheating. What's causes the problem and what's the solution to this problem?

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When the Ac is put on the radiator fan would be working almost all the time. since you had been idling in the slow traffic there was no enough ventillation for the condenser to maybe shut off the AC and made it work hard. It is important to check if your radiator and cooling sections are alright. If in the first place there was less water inside, if so there would have been build up. Next if the radiator was blocked from the front it would have choked the cooling and resulted in the engine temperature building up. Please check for leaks in your radiator, flush the radiator and fill up with new coolant. check the pressure cap of the radiator for any fault replace.Finally check the engine performance , correct tuning/ timing , fuel supply.After you have identified any of this start the car and put onthe AC and put it on idling, check after 30 minutes for the radiator fan to cut off - the thermostat working fine- to finalise our fault. Hope this helps? Good day

Posted on Jul 13, 2010

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Posted on Jan 02, 2017

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