20. LIGHTS/METERS/SWITCHES DOWNTOWN 125i (2) HEADLIGHT (1) A halogen headlight bulb becomes very hot while the headlight is ON, and remain for a while after it is turned OFF. Be sure to let it cool down before servicing. Remove the front cover (refer to the "FRAME COVERS REMOVAL/INSTALLATION" section in the chapter 2). Disconnect the headlight cover Disconnect the headlight connector (1) from the headlight bulb (2). Install a new bulb in the headlight case, Install the headlight and connect the headlight connector 20-3