Loud fan

Asked by Yeagerbomb32 Jul 15, 2019 at 04:47 PM about the 2007 BMW 3 Series 328xi Sedan AWD

Question type: Maintenance & Repair

I have an 07 BMW 328xi and the engine fan
constantly runs really loud. It’s quite and
sounds normal when I first start it and up to 5
miles of driving it then it gets very loud like
it’s over heating.  every time I’m on the
highway or going high speed at a continuous
rate, the temperature warning light comes on.

1 Answer

5

I would put my money on water pump starting to fail. I have the same issue with my 335i and after doing a diagnostic scan, it gave me a code that the water pump was failing..

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