Vehicles affected by service bulletin: The problem: Timing chains on N63 engines have been found to stretch and wear out prematurely, resulting in premature valvetrain wear and reduced engine ...

Not too long ago, we were telling you that BMW’s N63 4.4-liter V8 engines are experiencing reliability issues and that in a lot of cases, the owners are downright disappointed in the way their plants ...

Do you know what a timing belt or a timing chain is and what they do? Could you find them on your vehicle's engine if you had to? If you answered no, don't sweat it. Both are buried behind a lot of ...