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Sorry if it's a stupid question but how to prevent this from happening to my engine? I'm driving a Z4MR with 36000km. Had it for the past 16 000km, did 4 oil changes already, always check oil etc, don't track the car too often (just twice by far). Is this even something to worry about right now and if not - then when? I just don't have the cash to buy a new engine if shit goes wrong so I want to do my best to avoid it. Thanks.
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