G-Power's hot upgrade builds on the pre-facelifted M50i version of the BMW X7, and the project has more power than the Alpina XB7 ...
The M50i models use an updated version of the 4.4-litre BMW unit found in the existing X5 and X7 xDrive50i models. The revisions made by BMW yield a power boost to the tune of 67bhp that takes the ...