YouTube on MSN

BMW M135i F40 dyno test

In this video, a brand new BMW M135i is tested on the dyno to measure its real-world power and torque in completely stock ...
DRIVETRIBE on MSN

How much power has this V10 M5 lost?

After 15 years on the road, it's time to find out how much horsepower our BMW M5 Touring has retained. Equipped with a ...