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 ...

Let’s talk timing chains and BMW. Last month three Hughes Limousines 7 Series BMWs were off the road with timing-chain issues. The three cars were repaired by BMW dealers. Within a week one engine had ...

These are the BMWs you should avoid in 2025 if you value your money. From the S85 V10 that eats rod bearings to the N63 V8 with brutal oil consumption and timing chain issues, some engines are ...