BMW says the newly updated 2013 BMW 7 Series will include significant powertrain upgrades for the 740i / Li; 750i / Li, xDrive and BMW Alpina B7 models – including BMW's 8-speed Steptronic automatic transmission (8-speed Switch-Tronic high performance transmission for B7), xDrive – BMW's intelligent all-wheel drive system – Subscribe to Automotive World to … Continued
BMW says the newly updated 2013 BMW 7 Series will include significant powertrain upgrades for the 740i / Li; 750i / Li, xDrive and BMW Alpina B7 models – including BMW's 8-speed Steptronic automatic transmission (8-speed Switch-Tronic high performance transmission for B7), xDrive – BMW's intelligent all-wheel drive system –
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https://www.automotiveworld.com/articles/95071-us-bmw-previews-2013-activehybrid-7l/
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