Quote:
Originally Posted by frieseke
No BMW doesn't have efficient dynamics on their 2009 7 series. Efficient dynamics really were a bunch of smoke and mirrors with auto engine stop and brake regeneration of some sort. Of far greater importance is the transmission. In the 2009 they used a 6 speed auto which wasn't bad, but they upgraded it to the 8 speed in there now later on which gave vastly better mileage more than making up any difference that efficient dynamics would give.
Good luck!
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When did BMW introduce the 8 speed automatic?