BMW’s N63 V8 landed in 2008 with a lot to prove. This 4.4-liter twin-turbo brought the brand’s first “hot-V” layout, tucking ...
i cant compare this car to the same 2011 550i m xDrive well worth it ...many things replace or upgraded so no worries but enjoy 400 horsepower! This car has all possible features. There is few errors ...