BMW Could Phase Out The Quad-Turbo M50d Diesel In 2020 The retirement would happen in phases starting with the cars and then happening for the crossovers. By Chris Bruce Rumors - Dec 27 2019
How Much Quicker Is The New BMW M550d Compared To The Old One? When three turbos are just not enough... By Angel Sergeev Races and Chases - Mar 20 2018
