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Detailed tech and other details here on BMW Press release: https://www.press.bmwgroup.com/global/pressDetail.html?title=the-new-bmw-7-series&outputChannelId=6&id=T0221224EN&left_menu_item=node__4099
Under the bonnet of the new limousines, BMW will be using only the latest engines it has. They will all be part of the B family that was recently introduced on the 3 Series as well.
The entry level petrol model will be the 740i in its 740Li long wheelbase version and with optional xDrive. It uses the B58 3-liter inline 6-cylinder turbocharged engine making 326 HP and 450 Nm (332 lb-ft) of torque. Thanks to a lower weight than its predecessor (1,800 kg / 3,968 lbs) the new car will sip between 6.6 and 7 liters of petrol for each 100 km (40 - 42.8 mpg UK) while accelerating to 100 km/h (62 mph) in 5.5 seconds.
The 750i (and its Li, xDrive versions) will be powered by a revised version of the 4.4-liter V8 twin-turbo N63 mill making the same 450 HP and 650 Nm of torque. With a weight of 1,945 kg (4,287 lbs), it is 130 kilos lighter than its predecessor.
The 730d (and its Li, xDrive versions) will be using the new B57 3-liter inline 6-cylinder engine BMW has been working on. It makes 265 HP and an astonishing 620 Nm (457 lb-ft) of torque, a 7 HP and 60 Nm (44.2 lb-ft) increase over its predecessor. Quoted to sip just 4.5 to 4.9 liters of fuel for each 100 km (57 - 62.8 mpg UK) it will accelerate to 100 km/h (62 mph) in 6.1 seconds.
Last but not least the 740e, 740Le and 740Le xDrive model, the first plug-in hybrid in the 7 Series history. It won?t be available from day one but later in 2016. It uses the same layout as the xDrive40e X5 model, with a 2-liter turbocharged petrol engine up front joined by an electric one included in the gearbox case. The petrol unit makes 258 HP and 400 Nm (295 lb-ft) of torque while the electric motor is good for 95 HP and 250 Nm (184 lb-ft) of torque.
Together they can deliver 326 HP and accelerate to 100 km/h (62 mph) in 5.5 seconds in the xDrive version. In electric mode, the car will cover up to 25 miles (40 km) while the top speed in EV mode is set to 120 km/h (75 mph). Fuel consumption is said to be 2.1 l/100 km (134.5 mpg UK) while CO2 emissions should stand at just 49 grams/km.
The 8-speed transmission has been revised to have less friction and works in conjunction with the navigation system. Therefore, it prepares the optimal gear before reaching a corner or a steep hill, for maximum efficiency.
As standard, all 7 Series models will get a 2-axle automatic self-leveling air suspension and dynamic damper control. If you want to, you will be able to raise the suspension manually for bumpy roads or mall parking lots. It will also drop 10 mm automatically when entering sport mode or going over 75 mph (120 km/h).
