G-Power has achieved the numbers above by heavily upgrading the M3 Touring S58B30's OEM turbochargers, which now feature ...

Throw in special sauce software alongside a G-Power Deeptone exhaust with high-flow cats and, voila, an 800hp M3. With 664lb ft as well, for the sort of acceleration in seventh gear most cars ...

No clutch pedal to depress, no gearlever to waggle to check it’s in neutral; you’ll need to leave the UK if you want to try a G80 M3 (or 4 ... even with the exhaust valves open, the latest ...