BMW develops its most powerful four-cylinder yet

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Developed by the BMW M Performance team, the new 305ps 2.0-liter TwinPower turbocharged engine aims to set a new benchmark in four-cylinder power and torque delivery for the BMW Brand.

The 2.0 liter TwinPower Turbo engine is the very first M Performance four-cylinder engine (not to be confused with BMW M) and the company’s most powerful production four-cylinder version yet. It delivers a maximum power output of 305ps between 5,000rpm and 6,250rpm. Maximum torque is 450Nm between 1,750rpm and 4,500rpm.

To achieve this level of performance, BMW M has left almost no major engine component group untouched. The crankshaft has been reinforced and features larger main bearings. New pistons with a slightly reduced compression ratio of 9.5:1 allow for a larger turbocharger and increased boost.

The intake airflow tract has also been improved for higher flow. The cooling system has been upgraded to complement the increased vehicle capabilities.

BMW develops its first ever M Performance four-cylinderThe all-new four-cylinder unit will from the heart of BMW’s 2019 X2 M35i. And to ensure that the engine can put its power on to the road it is paired with an 8-speed automatic transmission.

For the first time ever, a front axle BMW M Sport Differential makes its appearance and features Torsen-based limited slip capabilities with up to a 39% lock-up. The new M Sport differential is integrated into the 8-speed automatic transmission which itself features steering wheel shift paddles, M Performance specific tuning, additional transmission cooling and updated gear ratios.

The BMW X2 M35i is capable of accelerating from 0-100km/h in 4.9 seconds.


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Sam joined the UKi Media & Events automotive team in 2017. Having started out as assistant editor for a number of titles including Engine + Powertrain Technology International, Automotive Testing Technology International and Professional Motorsport World, he was appointed editor of E+PTI in 2020. Sam produces content for both the magazine and website.

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