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New BMW 3 Series mild-hybrid system launched

Last updated on 21/01/2020

BMW has launched new engine options across the 1 Series and 3 Series model ranges that will be available to order in April. 

The big news is the arrival of a mild hybrid system to the 3 Series saloon and Touring estate as well as the X3 and X4 SUVs. The 48-volt system uses a starter generator and an additional battery that provide an extra 11bhp to boost performance. The system will also allow the engine to turn off when coasting below speeds of 99mph to save fuel.

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While decelerating the car can disengage the engine under 9mph and use the kinetic energy collected while braking to charge the battery that is then used to help restart the engine.

The mild-hybrid system will become standard on all versions of the 320d. Elsewhere in the 3 Series range, the 318i ditches its three-cylinder engine for a more powerful 156bhp 2.0-litre four-cylinder unit developing 250Nm of torque. 

Elsewhere, in the 1 Series range, the 120d now gets a 190bhp 2.0-litre four-cylinder diesel as standard. 

There are several other trim level changes across the rest of the range as the 7 Series and 8 Series now get soft close doors as standard, while the X5, X6 and X7 will be available with a wider selection of leather interiors and new leather colours for customers to choose from.

What is a mild hybrid? Head over to our sister site DrivingElectric to find out more