Which BMW Has the Updated B58TU2 Engine? And What's Changed
Image: BMW B58B30C Complete Engine with just 30K miles for sale at MT Auto Parts The BMW B58 engine is the 3.0-litre turbocharged straight-six that most BMW enthusiasts consider the pick of BMW's current petrol engine range. It went into the M340i, M440i, M240i, Z4 M40i, and a handful of other models, and it has been quietly updated twice since it first arrived in 2016. The latest version is the B58TU2, also known internally as the B58N. It arrived between 2022 and 2023, depending on the model. If you are buying a newer B58-powered BMW, working out which version you have matters, particularly if you ever need to look for a used BMW engine or specific parts. This guide keeps it simple. The B58 Family in Plain English The B58 has gone through three generations. The original B58 (sometimes called B58A) launched in 2016 in the F-chassis cars. Then, from 2018 to 2019, BMW updated it to what most people call the B58TU or B58D. This is the version that went into the G-chassis M ...