BMW Had To Make Massive Engineering Sacrifices To Fit A V8 Engine To The Best M5 Ever Made

BMW’s 5 Series cars are undoubtedly some of the best in the business, with many enthusiasts pointing to the E39 generation as particularly inspiring. The V8 versions of those cars, in turn, are some of the best of the best, such as the 4.4-liter example in the E39-generation 540i.