Running hot

Asked by Steven Jan 25, 2019 at 11:47 PM about the 2011 BMW 3 Series 328i Sedan RWD

Question type: General

New water pump,thermostat,belt and all hoses
Now fan will not come on to cool

1 Answer
7,605

Brian answered 5 years ago

Make sure you bled all the air out of the system. If that checks out it could be the ECT or a relay issue. You could verify that the fan works by pulling the relay and putting a jumper in for testing. The temp sensor would have to be removed to properly test resistance values if you want to rule that possibility out. Good Luck1

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