Originally Posted by Rob Farmer
So now you know the problem is just as richie said it was what's the way forward with it? BMW will obviously keep selling these cams until they're all sold which means there's going to be a lot if air headers that are going to get there fingers burnt. I would imagine that any cams returned will simply be sold onto the next unsuspecting customer. The obvious thing to me is to find some way of letting them know that it's common knowledge that they're selling duff cams.
I don't think BMW resells there warrantied parts. Half the time they never request them back. I think BMW has sat on and absorbed many a bad run of parts once they figure out what is going on which may be never but not always.