Watch a high-performance showdown between two German super sedans: the BMW M5 F90 and the BRABUS-tuned Mercedes-AMG E63 S 4MATIC+. This video features head-to-head acceleration runs, launch control ...

During its history, BMW's high-performance M division has only mass-produced two V10-powered road cars. While the E60/E61 M5 gets all the credit for being one of the most impressive sedans (or wagons) ...