# BMW's New Electirc Turbo (Tripple Turbo) \*Now Diesel\*

**URL:** <https://forums.speedlife.net/t/bmws-new-electirc-turbo-tripple-turbo-now-diesel/218017>\
**Category:** NYSpeed Automotive\
**Created:** [November 2, 2011, 11:17am UTC](https://forums.speedlife.net/t/bmws-new-electirc-turbo-tripple-turbo-now-diesel/218017 "2011-11-02T11:17:20Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![breakstuff](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/breakstuff/32/5413_2.png) [@breakstuff](https://forums.speedlife.net/u/breakstuff)\
**Post date:** [January 29, 2012, 9:27am UTC](https://forums.speedlife.net/t/bmws-new-electirc-turbo-tripple-turbo-now-diesel/218017/21 "2012-01-29T09:27:10Z")

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You need a big gear ratio for an electric motor to whip the turbo around at a decent speed, and big ratios don’t spin in reverse very easily from the output end. Turning that motor and gearbox backwards as a generator might be tough for the exhaust to do.

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