The story behind BMW's unique quad-turbo diesel engine, its impressive performance, and how it stacked up against its rivals in the X5 M50d.

Closely related to the Neue Klasse iX3 up front, the next X5 and its full-electric iX5 sibling are underpinned by a new ...

Click above for a high-res gallery of the twin-turbo V8 BMW X5. BMW has continued to deny the existence of an M-version of the X5, and by all accounts, it’s true. The blokes from Bavaria maintain that ...