BMW applies additive manufacturing tech to its new-gen engines

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BMW M has expanded its high-performance line-up with the arrival of a newly developed six-cylinder engine. Forming the heart of the X3M and X4M models, the 515ps unit is one of the company’s first to utilize 3D printing in its production.

The cylinder head core is manufactured using 3D printing technology, enabling geometric forms to be created that are beyond the capability of conventional metal casting techniques. This cuts the weight of the cylinder head core and enables its coolant ducts to be routed in a way that optimizes temperature management.

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Sam joined the UKi Media & Events automotive team in 2017, having recently graduated from the University of Brighton with a degree in journalism. For the newest addition to the editorial team, stepping into the assistant editor position signalled the start of a career in the subject he studied. Now deputy editor for Professional MotorSport World and Engine + Powertrain Technology International, Sam writes content for both of the magazines and websites.

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