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35BMW i8's three-cylinder sounds like it's shaping up quite nicely

We've run across some rather interesting news... or perhaps we should say interesting sounds. The folks from Bimmerpost have scrounged up a short video showing a preproduction BMW i8 running through a few gears in Sport mode at a quick pace, and if you were concerned that the somewhat eco-friendly nature of the upcoming German sports car would neuter its ability to stir the aural senses, fret not.

188Listen to BMW's new M5 with its Active Sound system enabled vs. disabled [w/poll]

Pushrods and overhead valves or dual overhead cams; naturally aspirated, turbocharged or supercharged; it simply doesn't matter – there's nothing quite like the sound of a powerful V8 engine. Or is there?

98Active Sound Design enhances V8 burble inside BMW M5

Here's an interesting tidbit we missed while scouring through BMW's massive press release on the 2012 M5. According to the text, BMW has employed a system it's calling "Active Sound Design" on the new M5, which takes in engine speed and load data from the ECU and plumbs it through the stereo to play a real-time recording of the M5's engine.

14BMW experimenting with electronic noise canceling tech on diesels

BMW sound engineer Manuel Reichle and the 635d – Click above for high-res image gallery

20BMW experimenting with electronic noise canceling tech for diesels

BMW sound engineer Manuel Reichle and the 635d – Click above for high-res image gallery

14BMW pursuing better acoustics to improve efficiency

Manuel Reichle, Sound engineer, and the BMW 635d – Click above for high-res image gallery

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