D1S Headlight Bulbs Installation
First,open the hood, locate the back of the headlight to see whether you can remove the bulbs directly. If not, you might have to remove the headlight housing in order to perform the installation.
Second,remove the stock socket.
Third,remove the stock headlight bulb and remember do not touch the bulb glass with your finger.
Fourth,now take off the HID bulb from its plastic shell. Again, do not touch the HID bulb glass with your finger, but id you did, you can use rubbing alcohol to clean it :)
Fifth,put the HID bulb back to the headlight housing; sixth,connect the HID bulb with the ballast
Seventh,connect the HID ballast back to the stock socke
Eighth,let's test the HID light first to make sure it lights up. If not, please turn the extension/adapter wire 180 degrees.
Ninth,ount the HID ballast using zip-tie or double-sided tape