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This pic has just been posted by richwig:
^ Cam follower porn for perverts?
Mine was 'Safe' and didn't need changing after 100,000 miles but JKM advised we may as well change it anyway while my APR HPFP was being installed. Apparently with an APR pump the cam follower might need checking more often.
Whereas it's true that not everyone on a car forum knows what they're talking about (except me of course), it's also true that some VW dealer staff don't have a clue. If he has only seen one instance of a failure you have to ask how many tuned cars has he serviced? And especially with an aftermarket pump.