one whole projector bulb was replaced original part, so when i starts the car w/ the headligths on, one of the projectors moves up and down, like calibrating the ligth sensor, then the other one the new one that one that was replaced , just stays no movement.. any clue whats wrong? when i call bmw shop they told me that they neew to reprogram. is this true?? or they just want a post-christmas gift?
thank you.