Brought a 09 Boxster S into the dealer due to a slight misfire and resulting CEL.

I do not recall the exact CEL code(s), but they say it is due to one the Cam lifts brackets - the are going to replace one at a time to see if is the culprit.

Has anyone else experienced a CAM related issue with this engine?? (or any other engine related issues)

mileage is low 20K.