The german tuning company created a special performance kit for BMW Z4 3.0i. The stock version of this car has an engine that can develop 231 HP and the modified version has over 375 HP. The guys from G-Power added an ASA T1-12 compressor, modified the car’s engine cooling unit and installed a new exhaust system to get this power boost. This BMW can accelerate from 0 to 100 km/h in just 4.9 seconds and it will go to 200 km/h in 15.1 seconds. The modified car was named G-Power G4 and it’s performances match the BMW Z4M. The price for all these modifications si 18,850 euro. But the guys from G-Power hasn’t stopped at performance tuning and decided to make a complete tuning kit for it. The tried to make a more aerodynamic body kit, installed 20″ alloy rims, lower suspensions and high performance braking system.