The german car tuner Hartge has revealed a new tuning kit for BMW 135i Coupe. With a new control unit the 135i Coupe modified by Hartge has gained 44 HP and it’s 3.0L twin-turbo engine can develop 350 HP and 340 Nm. With these performance improvements the 135i Coupe can accelerate from 0 to 100 [...]
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