BMW 550i Tail Light Bulb Size
The BMW 550i tail light requires a P21W bulb size for the lighting assembly located at the rear of the vehicle. Data for the bulb covers the 2006 to 2007 range.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | Bulb Size |
|---|---|
| 2006-2007 | P21W |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |