When should I change the timing chain on a BMW 320d?

I am looking to buy a post-2011 BMW 320d with a full service history - every 10,000 miles. Can you tell me when the 320d needs it timing chain changed? I've found a car with 80,000 miles and I intend to run the car beyond 160,000 miles. The reason I ask is because of all of the pre-2011 timing chain problems on the N47 engine.

Depends how it has been serviced so far. If the oil has only been changed every 20,000 miles or so then there could be excess wear and the the chain and tensioner may become noisy sooner rather than later. If it has had 10,000 mile oil changes and you continue them you should never have a problem.

Answered by Honest John on 17 July 2014

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