Mututing Posted March 25 Share Posted March 25 Hello everyone, I just acquired a 2012 320d with 100,000 miles and want to go on a vacation throughout Europe in the next weeks, covering around 4,000 kilometres. Whenever I research the 320ds, particularly the N47 model, I encounter discussions on the timing chain issue. I am contemplating if it is advisable to address this concern before to my purchase or whether it is overstated. Link to comment Share on other sites More sharing options...
Bitxx Posted March 25 Share Posted March 25 The prevalence of N47 engines indicates a relatively low failure rate; the essential factor for longevity is consistent oil changes. Based on the many instances I have conducted over the years, 100k is my threshold for them. As a later N47T model, yours has received modifications that do not eliminate failure but rather extend longevity. It is unfeasible to quantify the mileage lifespan, since I have seen original chains last up to 200,000 miles, while others have failed or shown noise below 100,000 miles; so, I assert that my threshold would be 100,000 miles. Link to comment Share on other sites More sharing options...
Mututing Posted March 25 Author Share Posted March 25 Thank you. Are there any indicators, apart from a chilly rattle, that suggest a chain is deteriorating? Link to comment Share on other sites More sharing options...
Bitxx Posted March 25 Share Posted March 25 Other than removing rocker cover off to take a look or having bmw to measure stretch with the proper equipment there isn’t anything Link to comment Share on other sites More sharing options...
Anabroo Posted March 25 Share Posted March 25 Would you contemplate doing any activities before the next 4000 kilometres if you were not travelling? Link to comment Share on other sites More sharing options...
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