Hi, If you adjusted the knob that you use a phillips head screw driver in,and nothing happened,try to smack the headlight a couple times to try to get inside adjusters to move.have seen this happen before at dealer. will probley need a new headlight assy. to make sure go to right side and see if it moves.if it does you need new assy for left side. thanks any other ? please ask. thanks Mike
BMW Technician
bmw master tech ase certified