• G-Power Reveal 690 HP Upgrade For BMW M3 and M4 Competition With 333 km/h Top Speed

    12 days ago - By Zero 2 Turbo

    Tuners will be tuners and the relatively-new BMW M3 Competition and M4 Competition will be tinkered with for months and years to come.
    G-Power has been taking BMW's to extraordinary levels of power for nearly 40 years and now they have revealed their packages for the M3 and M4 Competition models.
    G-Power claims they are the first in the world to execute a performance upgrade with software installed directly on the factory-fitted control unit. You can choose between the GP-600 software which takes things up to 600 PS or the GP-650 software and the deeptone exhaust system, which combine to...
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