While many car enthusiasts know how a differential works, very few actually know what it looks like inside your differential cover as you're driving down the road. Gale Banks, founder of diesel ...

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 ...

Front differential failures are extremely rare, but when they do start to fail, you may hear grinding, feel vibrations and have trouble steering. If you notice any of these symptoms, it’s best to have ...