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Originally Posted by mhingram
Okay so the manual says every 13000 miles on my 320cdi. That seems excessive to me. So I was wondering what the techs out there thought. I have to use Synthetic which is fine by me. Should I do a change every 4500-5000 as well. Thats what I used to do on the 220D and it never died.
Thanks
m
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How often is purely dependent of the type of driving you do. if everyday you hopped in the car and drove say 200 miles on the highway without stopping slowing down or accelerating, I would say yes, maybe, truth is city driving counts as extreme conditions.
Since most of use rarely drive the former exclusively I would recoment the extreme duty recomendation, which is likely 3,000-5,000 miles. Or have an oil analysis run. But don't go 15,000 without doing one.