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[QUOTE=
There was more wind noise and more noise in general in the cabin than my e90, but the fuller sounding HK was up to the challenge. There is an exhaust drone in sport or sport plus that would wear on someone over time, but it disappears in efficiency. QUOTE]
Curious about the wind noise comment - would def have expected newer models to improve in this regard - had not read this comment on other reviews, any more specifics i.e. only at certain speeds or...?
Also the Sport/Sport+ exhaust drone: I wonder how much of this might be related to the sound amplified via mic (i.e. ported in) vs 'true' drone?
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Individual M4 Convertible ED Sept 2014
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