German tuner G-Power built an 809-horsepower verison of the BMW M8 Coupe, which is departing the lineup for 2026. The BMW M8 faces imminent retirement, but tuners are still finding ways to spice up Bavaria's performance coupe. G-Power is sending off the "F92" with a flashy green.
G-Power has rolled out yet another statement piece, unveiling the G8M Bi-Turbo, a heavily reengineered interpretation of the F92 BMW M8 Coupé. With more than four decades of experience refining and amplifying the DNA of BMW M cars, the German tuning powerhouse has once again delivered a machine with outrageous performance gains. G-Power transforms M8 into 820hp G8M Bi-Turbo Electrification is one way to boost BMW's 4.4 V8 - another is an even bigger brace of turbochargers By Matt Bird / Thursday 27 November 2025.
Tuning company G-Power has significantly modified the BMW M8 to make 900 horsepower. Here's how it's different from the standard version. Our previous encounter with one of G-Power's insane projects dates back to a few weeks ago.
The car in question was an all-black BMW M8 Coupe, featuring some carbon fiber add-ons, new wheels, and. Whether left in its original form or enhanced by G-Power's transformative upgrades, the BMW M8 stands as a masterpiece of engineering and design, delivering a seamless fusion of elegance and power that captivates enthusiasts and sets a new standard for automotive excellence. Experience the fury of an 800HP BMW M8 G-POWER as it blasts from 0 to 313 km/h on the Autobahn! 💥 This beastly coupe delivers jaw-dropping acceleration, thunderous V8 sound, and luxurious.
The stage 1 G-Power upgrade simply unlocks the potential of BMW's 4.4-litre bi-turbo V8. As standard, it pumps out 612bhp, but a simple software dabble ups that to 720bhp and 627lb ft. The BMW M8 is facing retirement, but G-Power isn't willing to let go of the performance coupe just yet.
The tuner worked on four cars.