The E71 X6M is definitely not something to joke about. It looks and sounds more aggressive than any other BMW. But how about the way it drives?
The stock X6M goes from 0 to 100 km/h in 4.7 seconds and then all the way up to a top speed of 250 km/h. That's impressive for an SUV topping 2 tons! Whoever says that the S63 V8 4.4-liter engine doesn't do miracles, doesn't know what hes talking about.
The problem is that Hartge has released a new upgrade for the X6M. This is a warning for all X6M owners out there. If you decide to race a Hartge prepped X6M, you might be in trouble.
That is because the upgraded version of the S63 now produces 638 HP and 760 Nm, that is an 83 HP and 81 Nm increase. Those numbers might not sound so impressive, but remember, some modern cars don't have the X6M's HP to begin with.
Adding all that power to the X6M makes it go almost 4 seconds faster from 80 km/h to 200 km/h. That kind of a difference will add up to about 9 car lengths at the end of a supposed race with a stock version of the super-SUV. Oh, and to top it all off, all of this is available with a plug-and-play kit that's installed in a couple of minutes.
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