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      Yesterday, 09:49 PM   #1
jclaib7
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Drives: 2013 BMW 128i Coupe M Sport
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Whirring Fan Sound When Braking

Any idea what this is? It's whirring fan sound when i'm braking. It stops when the vehicle comes to a halt. It only happens when braking. When I turn off the fan the sound goes away.

???
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2013 128i M Sport Package, Carbon Black Metallic, Black Kidney Grilles, BMW Performance Exhaust, BMW Performance Intake, AFE Dynamic Air Scoops, BMW Performance Aluminum Strut Bar, CF Delete, Active Autowerke Stage 2 Tune, Performance Pedals, M3 Front Sway Bar, TMS Wheel Spacers.
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      Today, 02:09 PM   #2
FactorX81
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I have the same noise braking and turning left. I did a search and found that the blower motor bearing tends to rust and needs to be cleaned and lubed to get rid of the problem.
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