For the 2009 BMW X3, the supplied fitment data lists a D1S low-beam bulb. No high-beam bulb size is provided, so check the original bulb before ordering a replacement for that position.
Front fog-light fitment is listed as either H11 LED or H16 LED. Confirm the bulb installed in your X3 before purchase. Front turn signals may use either 5200 or 2827, while the rear turn signal uses 7507.
- Reverse and brake lights: 921
- Center stop, tail light, and rear side marker: integrated LED
- Front parking and side-marker options: 2825 or 98
- License plate, dome, and glove-box lights: 6418
- Map light: 2886X; reading light: 6486X
Courtesy-light fitment requires comparison with the original: options are 2825/98 or 6411/6428. Trunk and vanity lights are also listed as 6411 or 6428. Verify the existing bulb and socket where multiple options are shown.