2018 BMW M550d xDrive Debuts, review and specs

BMW has just released details of the new 2018 M550d xDrive, the flagship diesel powered 5-series. This is a 3.0-litre diesel with 400hp, last hurrah for diesel technology. The quad-turbocharged engine is mated to an 8-speed automatic and all-wheel-drive system as standard. Continue reading 2018 BMW M550d xDrive Debuts, review and specs