Xenon Light vibrates while driving
It has been raining last couple of days in Southern California so I had the light on all the time. I noticed that my xenon light was shaking/vibrating a lot. I took my car to the Shelly BMW and told SA that my xenon light is vibration too much. I left the car there and went to work. SA called me hours later and told me that they replaced head lamp unit. When I went there to pick up the car, I found out that they only replaced left one and now my lights are unbalanced. I don't think they replaced any bulbs but why is there a difference in brightness?
What do you guys recommend me to do? Any input would be appreciated. Thanks.