G-Power tuning group has offered BMW buyers their sport package with aerodynamic and performance enhancements for the X5 M and X6 M that made M-models more powerfull and exclusive.
The German tuner has upgraded the 4.4-liter V8 turbocharged engine found in both M models with reprogrammed ECU resulting in a modest boost in output to 600 horsepower at 6,000 rpm and 700Nm or 516 squash feet of torque from 2,000 rpm. G-Power engineers also deleted the speed limiter, and now this two SUVs are propelled to a top speed more than 300km/h (187mph), with 0 to 100km/h (62mph) acceleration arrival in 4.5 seconds and to 200km/h (124mph) in just 16.2 seconds.
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