William - BMW 4-Series Forums
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post #1 of 3 Old 05-19-2016, 06:02 AM Thread Starter
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Join Date: May 2016
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Have a 420d convertible year 2014 (64 plate) Has anyone experienced a whirring noise when accelerating after car has warmed up, it gets louder if the fan is on and is so annoying, have taken it to BMW garage and they are telling me it is characteristic of this model and I think they are just fobbing me off.
Maxwell20 is offline  
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post #2 of 3 Old 05-23-2016, 02:58 AM
Join Date: Aug 2015
Posts: 54
I've never actually driven a 420d so I wouldn't know if that was the norm or not. Is it possible for you to get a second opinion?
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post #3 of 3 Old 10-10-2018, 04:12 PM
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Weird situation..
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