The line-up comprises the 225xe, the 740e and 330e, with the soon-to-be-launched BMW X5 xDrive40e also on display at the show.

The plug-in hybrid variant of the 2 Series Active Tourer arrives in spring 2016 and combines an 88bhp electric motor to drive the rear wheels with a 134bhp 1.5-litre three-cylinder petrol engine with BMW TwinPower Turbo technology and a six-speed Steptronic transmission, giving an overall output of 221bhp. The 225xe brings a maximum electric range of 25 miles. Official combined fuel consumption is 134.5–141.2mpg, with CO2 emissions of 46–49g/km.

The 225xe also sees the lithium-ion battery located underneath the rear bench, meaning that boot capacity isn’t reduced.

In addition, the new BMW 330e will also arrive from 2016 and pairs a 181bhp 2.0-litre petrol engine with an 88bhp electric motor, giving total output of 248bhp and an all-electric range of up to 25 miles. 0-62mph acceleration is 6.1 seconds with a top speed of 140mph. Combined fuel consumption is 134.5–148.7mpg and CO2 emissions (combined) are 44-49g/km.

Finallly next year will also see the 7 Series gain 740e, 740Le and 740Le xDrive models.

The drive system comprises a 254bhp 2.0-litre petrol engine with BMW TwinPower Turbo technology and a 112bhp permanently excited synchronous electric motor integrated in the eight-speed Steptronic transmission. Total output is 322bhp.

0-62mph time is 5.6 seconds for the BMW 740e, 5.7 for the BMW 740Le and 5.5 for the BMW 740Le xDrive. Combined fuel consumption for the 740e and 740Le is 134.5mpg  (BMW 740Le xDrive: 123mpg). Combined CO2 emissions are 49g/km (BMW 740Le xDrive: 53g/km).

With MAX eDRIVE mode engaged, the BMW 740e is capable of travelling at speeds up to 75mph with an electric-only range of up to 25 miles.