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 ...

Yes, chain cam. It's advisable to change the nylon chain tensioners at this sort of mileage, and to double change the oil: once, then again after 1,000 miles, draining from the sump plug, to get rid ...

BMW's travails with its N47 diesel engine failures, which had been thought sorted and finished with, are coming back to haunt the German carmaker. One Irish solicitor has told The Irish Times that he ...

Yes, you are correct. Seems to be due to longlife servicing and contaminated oil unable to lubricate the timing chain tensioner sufficiently. These engines need a proper oil and filter change at least ...