The tuner did its best to upgrade the roadster's performances and managed to pull it through. The car now develops 345 hp and 480 Nm of torque (up from 306 hp and 400 Nm of torque), which allows it to reach 100 km/h from a standstill in 4.7 seconds. The engine modifications come under the Bi-Tronik performance module name, which is accompanied by other alterations as well.
The tuner promises that thanks to the riginal plug-in connectors, the G-Power Bi-Tronik "can be easily and quickly integrated". Removal is also easy and residue-free.
The G-Power Z4 comes equipped with 20 inch G-Power Silverstone alloy wheels, paired with low profile Michelin tires, sized 255/30 ZR 20 and 295/25 ZR 20. Underneath them, G-Power fitted the in-house made, height-adjustable coil-over suspension GZ4-RS, with nine selectable settings each for bound and rebound.
The Germans didn't go around cutting and chopping, but they did take into account the sound the Z4 will make down the road. In order for you to hear the difference besides feeling it, G-Power will also provide a stainless steal 4-trim sport rear muffler with its 4 x 83 mm tailpipes. In their own words, the tailpipes give the Z4 "a deep, throaty sound" which is also "annoying, thanks to the patented G-Power Deeptone technology".
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