Following its MH3 launched last year, Manhart Performance has now revealed an even more potent MH3 GTR. Based on the G80 BMW M3 Competition, the model features a substantial increase in power ...

The new BMW M3 and M4 are only just beginning to hit the road, but tuner Manhart Performance has ... straight-six engine in both the M3 and M4 Competition models. Applying its €2299 MHtronik ...

Now, it's even stupider fast thanks to the folks at Manhart. We can't think of a better way to describe a BMW M3 Touring with 855 horsepower. Meet the MH3 800 Touring. Manhart's upgrades deliver ...