BMW’s latest M5 is already outrageous from the factory, even if it’s heavy as f*ck.

A twin-turbo V8 paired with a hybrid system delivers 717 horsepower and 1,000 Nm of torque. That should be enough to scare anyone in a Porsche 911 Turbo.

Not for Manhart.

The German tuner has taken the new M5 and pushed it into another league. Turbo upgrades, a stainless steel exhaust with race downpipes, and its in-house MHtronik powerbox lift output to 897 horsepower and 1,200 Nm of torque. Numbers that not long ago were Bugatti territory.

Acceleration figures have not been published, but you can bet it is quicker than the standard car. The factory version already cracks 0 to 100 in the low threes. With nearly 900 horsepower on tap, the Manhart build will hunt supercars all day.

Manhart calls the package the MH5 900E. Alongside the powertrain changes, buyers can choose between lowering springs or KW Variant 4 coilovers. BMW’s own carbon ceramic brakes remain standard, though Manhart will happily sell you aftermarket setups if you want to go even further.

Looks matter too, and this car makes sure everyone notices. Forged wheels measuring 22 inches at the rear and 21 at the front fill the arches, wrapped in Michelin rubber. Buyers can also spec different wheel sizes if they prefer.

Carbon fibre pieces are everywhere. A spoiler lip, canards, diffuser and side skirts sharpen the stance. Champagne-coloured decals run along the bodywork, a love-it or hate-it touch that shows Manhart’s usual flair for the dramatic.

The end result is a super saloon that is barely a saloon at all. Four doors and a big boot disguise a machine that can outgun almost anything short of a full-blown hypercar.

This is what happens when tuners refuse to accept “enough.” BMW gave the world a hybrid M5 with more than 700 horsepower. Manhart decided that was just a starting point.

Would you daily drive one? Probably not. But as a statement of intent, the MH5 900E shows why Germany’s tuning houses are still setting the pace.

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