Swiss tuning company Dahler Design & Technik has come up with a neat upgrade package for the new BMW X4 M40i and M40d, including power boosts for the engines. Starting with the motors.

Both the B58 and 2JZ are known for their impressive power and durability, but which is the better Supra engine?

From Bavaria (actually built in USA) is the X3 M40i. This was only introduced ... The ‘B58’ straight six engine in the BMW is fantastic. It has previously been awarded in Ward’s 10 Best ...