The story
History: facts, each with its source
The B48 replaced the N20 and has been built since 2014, with a closed-deck aluminium block and a single twin-scroll turbo. Wikipedia lists it in the F30 330i from 2015, the G20 330i from 2019 and the Toyota Supra from 2019. With the electric motor, the 330e makes 248 hp and 310 lb-ft.1