Differentials are what allow the wheels on a vehicle to actually move around effectively. Open differentials are common, but ...
So you bought a 335i, because let's face it, they are a performance and luxury bargain, and you want to modify it, make it faster and improve its handling. But BMW never offered a factory limited-slip ...
Engineering Explained on MSN

Differentials - explained

How do differentials work? How does an open differential work? What is a locked differential? This video will explain the ...