• 700hp BMW M3 & M4 Revealed by G-Power

    5 days ago - By GT Spirit

    G-Power, a brand known for upgrading BMW M models for the last 40 years will now be offering their performance upgrade programs on the new BMW M4 and BMW M3 models. The G4M Bi-Turbo and G3M Bi-Turbo are world firsts. All the power upgrades equipped on the BMW G8x are achieved using an additional chip...
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