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 ...

A close look at the timing chain guide failure common to BMW V8 engines, examined through a 2001 BMW 740i Sport and why this issue causes serious long-term damage. American manufacturer’s hidden tag ...

Keep reading to find out what a timing chain replacement costs, what kind of help you can expect from your warranty, and what the key differences are between timing chains and timing belts. Luckily, ...