We gave this 3,000 mile #F83 #M4 some extra power recently. The owner wanted more power without having to make any hardware changes, so we flashed it with #Bootmode Stage 1, 93 Octane software. Most of you know what the #S55 is capable of with hardware changes, but software only cars have an amazing power band. #BMW #M4 #F83 #yesweinstallonepiececrankhubs #carsofhstuning #protuningfreaks #bootmod3 #hstuning #hstuningdotcom #welovemcars #garagequeen #DCT #wemakefuncarsevenmorefun
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