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      06-23-2017, 03:08 AM   #27
CryptoManiac
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Drives: Ordered BMW 520d Touring G31
Join Date: Apr 2017
Location: Belgium

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Quote:
Originally Posted by 911Fanatic View Post
Update on day 2 in the shop...

They have discovered that the fan is not getting the required voltage. The engine management system is reading the fact that the fan is not getting enough voltage as overheating problem. To prevent the engine from overheating the system cuts power to the AC, which is why I was seeing it cut off on acceleration and putting demand on the engine.
With "the fan" you mean the fan that is cooling the coolant of the engine?

So basically, your engine cooling is failing and the "smart" car is trying to help cool down the engine by disabling the AC. So the problem is NOT with the AC, but with engine cooling (which is worse). :-(
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