Filed under: Technology , BMW , Diesel BMW sound engineer Manuel Reichle and the 635d – Click above for high-res image gallery When considering how to go about improving fuel efficiency and reducing emissions, we typically think of smaller engines, alternative fuels and electrification. One area that doesn’t typically come to mind is that of sound design and acoustics. While the noises produced by a vehicle don’t directly affect fuel efficiency, soundtracks are important because they are often a prime determinant in whether a given powertrain solution is acceptable to drivers and passengers.

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BMW experimenting with electronic noise canceling tech for diesels



