After taking the BMW M4 CSL to over 700 horsepower at the end of last year, Manhart is introducing an upgrade package for the lesser Competition model. It's known as the "MH4 600" and boosts. VIDEO + My Full List of Mods to Put Down 700+ HP VIDEO + My Full List of Mods to Put Down 700+ HP.
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Competition Package BMW M4 from G-Power Has 600 HP
Explore CarBahn's M4 Complete Power Packages, engineered by BMW tuning legend Steve Dinan to unlock the full potential of your BMW M4, M4 Competition, and M4 Competition xDrive. These all-in-one performance packages are designed to deliver significant horsepower and torque gains, enhance throttle response, and improve overall driving dynamics. Each package includes expertly calibrated ECU.
If chopping the roof off of a BMW M4 Competition wasn't already exciting enough, G. Manhart's latest creation takes the BMW M4 CSL and M4 Competition, and turns it into the insane 700 hp+ Manhart MH4 GTR II. However, these are stock numbers, and to boost the already-awesome performance of the M4 Competition xDrive, Dahler developed a Level 2 performance upgrade with a maximum of 620 horsepower.
BMW M4 Competition Upgraded By Manhart To 635 Horsepower
Built by Steve Dinan, this modified BMW M4 Competition pushes the platform forward with upgraded power, better handling, and greater comfort. The 2025 BMW M4 Competition is built for drivers who want the best in performance, power, and control. With its 503-horsepower engine, advanced suspension system, high-performance brakes, and Active M Differential, this car offers an exhilarating experience that's hard to beat.
This modified M4 Competition omits the xDrive system, channeling every ounce of its newfound power solely to the rear wheels. The transformation is the result of strategic upgrades: bespoke turbochargers, a performance intercooler, lightweight forged pistons and connecting rods, a carbon fiber intake manifold, and precision ECU reprogramming.
