TomK said:Perfect excuse then to put Schrick csl cams then if you're keeping it and remap it. They work out a little bit less than oem items as it goes. if you're going to all that trouble I'd have a look at the rod bearings as they're a known failure point and mine were showing signs of wear when upgrading my cams, you could also uprate the rod bolts. I think big end bearings were replaced also as was the head gasket during my overhaul as precautionary measures. Engine was on 55kpHilli0 said:Good advice, thanks. I have been looking at other people across google with similar noises and you appear to be spot on, a couple of guys saying they had cam / follower issues and needed replacements. I don't have any plan to sell the car so and actually want to get it more track focused, so if i have to spend 2/3k to get this fixed then so be it. Far from ideal but such is life!!
That does make a lot of sense, I guess I would be looking at 15 hp for the Schrick cam and 15 for the remap? Any recommendation on where to have it done? I have an indy in Stevenage who has a lot of experience with M3s. But if that doesn't work out someone has recommended Phil @ CSC Amersham,..you sound like you would do it yourself but sadly that's not an option for me.