replace the light module
under the hood on the upper left hand corner
It will vary depending on if you have HID lighting or Halogen Lighting which you did not include in your question. 2004 BMW 525i headlight bulb general replacement procedure: Purchase the correct replacement headlight bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the headlight bulb lamp replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
It will vary depending on if you have HID lighting or Halogen Lighting which you did not include in your question. 2002 BMW 525i headlight bulb general replacement procedure: Purchase the correct replacement headlight bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the headlight bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
there is a fan relay under the bonnet behind the left headlight , it has a rubber cover over it . does this help?
On the left, by the left headlight.
Headlight Switch Is Located On left Side Of DashBoard Just under The Auto Headlight Dimmer....
The horn is located behind the left headlight. Remove the headlight pins, and then the headlight. You should be able to spot it then.
1989 Mercedes-Benz 300SEL headlight bulb lamp replacement: Purchase the correct replacement headlight bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the headlight bulb lamp replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
The fuse box is located below the dashboard to the left of the steering wheel. Right headlight (10A) position 1 upper right corner. Left headlight (10A) position 2 just below it.
The ecm is under the dash above the glove box. Above and to the left of that ( smaller box ) is the cruise control module.
The headlight relay in a Subaru Loyale should be behind the instrument panel.
Behind the glove box