G-Power upgraded the M3 Touring’s 3.0-liter engine, boosting power to 789 horses. With bigger turbos, a new exhaust, and re-tuned software, the wagon hits 205 mph. The display car is finished in ...

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 ...