Im getting rough starts on cold mornings. When it does this we get a flashing check engine light and codes for multiple cylinders mis fires (don't have the codes in from of me) Its a 2005 X5 4.4 with 120K miles, production date 12/04. I have replaced everything that's replaceable. Plugs, O2's, CCV, cleaned throttle body, Maf ect. It don't show up anything being off on my carsoft software, I don't have the GT1 software yet but I'm buying it. I have a guy coming this weekend to check the tolerances on the valvetronic levers if he has time. I think that sums it up.
Im confident its the eccentric shafts and Intermediate levers.