G-POWER GP-480 Upgrade Pushes The BMW B58 Engine to 480 HP
New software and hardware bring 480 hp, 100 dB and a 300 km/h top speed to the M240i, M340i, M440i and Z4 M40i.
New software and hardware bring 480 hp, 100 dB and a 300 km/h top speed to the M240i, M340i, M440i and Z4 M40i.
Same displacement, same family — but the S58 borrowed its connecting rods from a V8 and runs three radiators.
It seems that BMW is preparing to unlock a few more horses from the B58 engine installed in the M Performance 2 Series Coupe.
BMW never intended for the B58 engine to power the i8, let alone an i8 that skips electrification altogether for a pure ICE setup.
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