BMW ’super tuner’ G-Power has turned its attention on two previous generation ‘M’ sports cars, the E46 M3 and the Z4 M with the presentation of a somewhat tamer performance package than what we’re used to from the German company. At the heart of the tuning program is a new ASA TM I 20 centrifugal supercharger that boosts the output of 3,2-litre straight-six engine, found in both the M3 and Z4 M, from 252 kW and 365 N.m to 330 kW and 450 N.m of torque.
The 78 kilowatt boost in power improves acceleration from zero to 200 km/h from the standard M3’s 18,1 seconds to 14,7 seconds, making it even faster than the current 309 kW M3 V8, which needs 15.8 seconds for the same sprint.
To improve road holding, the performance package for both the M3 and Z4 M include a continuously height-adjustable G-Power coil-over suspension, with nine selectable settings each for damping and rebound.
The M division sports cars ride on lightweight 20-inch alloy wheels shod in Michelin Pilot Sport tyres (245/30 ZR 20 at the front and 285/25 ZR 20 at the back), which are rated for a top speed of more than 300 km/h.
Though not included in the basic package, G-Power also offers a sports rear muffler that produces a deeper and more sonorous tone.
Adapted from CarScoop
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