The New BMW M3 CS – More Power, Less Weight

The new 2023 BMW M3 CS ("Competition Sport") brings even greater intensity to the racing allure that marks out the company’s successful high-performance models for the premium midsize segment.

The powertrain concept for the new BMW M3 CS teams a 550 horsepower 6-cylinder in-line engine with an eight-speed M Steptronic transmission and the M xDrive intelligent all-wheel-drive system. These combine to produce a 0 to 100 km/h (62 mph) time of 3.4 seconds and supreme driving talents that can be enjoyed from each of its four seats. The new BMW M3 CS will be built in a limited run at BMW Group Plant Munich from March 2023, with its phased launch getting underway the same month. The USA, Germany, the UK and Japan are the most important sales regions for the new special-edition model.

A more power/less weight formula instils the new BMW M3 CS with compelling performance qualities and an exclusive aura. It draws its power from a specially upgraded version of the high-revving six-cylinder in-line engine with M TwinPower Turbo technology developed for the BMW M3 and BMW M4 models. This 3.0-litre unit also forms the basis for the engine that powered the BMW M4 GT3 to the DTM touring car title at the first time of asking in 2022.

The engine under the bonnet of the new BMW M3 CS therefore also boasts a wealth of technological details derived directly from the race-car unit. Its crankcase has a sleeve-free, closed-deck construction and is extremely rigid, making it suitable for very high combustion pressures. Weight-saving cylinder bores with a wire-arc sprayed iron coating reduce frictional losses. The forged lightweight crankshaft aids power build-up with its exceptionally high torsional resistance while also feeding the engine’s high-revving instincts. Its cylinder head has a 3D-printed core, allowing the coolant ducts to be routed in an optimum arrangement for temperature management that would be impossible to achieve using conventional metal casting methods. The system of oil supply is designed to handle the specific challenges of track use, as is the cooling system.

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✅ Source: BMW

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