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One of the motors may be bad.
Possibly binding when the leveling initiates.
My E90 had this issue.
It has the up/down motor and side/side motor.
It’s 2 different motors.
I enabled side to side movement with coding and the light would go up/down and then left to right and freeze and gave me an adaptive error.
I had to default code the frm so that the side to side movement coding option would be erased.
And from what I remember on other cars, coding the new adaptive modules to the car is not really required, if the adaptive motor works, it will work even if module isn’t coded.
Some things you can try:
You can try a new adaptive/SMC module, If it still doesn’t work, the motors inside are probably bad or the plastic arm is binding when moving the projector housing.
Maybe some grease can be added to these arms to make things move smoother..?
You said the light stops when moving side to side.
You can try to disable side to side motion to see if that is causing your issue.
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