BMW X3 Side Marker Bulb Size
The BMW X3 front side marker bulb uses a PY21W size, designated as 12961. The replacement chart covers vehicle production spanning 2004 to 2017.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Side Marker
| Years | Bulb Size |
|---|---|
| 2017 | PY21W (Yellow) |
| 2004-2010 | 12961 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 |