I Have a 330CD Sport which is running all ok, have heard the engine oil breather requires replacing to prevent turbo failure,How easy is this to do approx cost and how often should it be replaced
if you replace it with the newer version (the vortex) it never needs changing again. as for changing it yourself its pretty easy. Once you've removed the engine cover its easy to see and get to. there is a guide on here for the 320, the breather is the same but getting to it is different.
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