BMW Motorcycle R100 Tail Light Bulb Size
The BMW Motorcycle R100 tail light requires a P21/5W bulb size for proper illumination and function. Data for the specific component covers the period from 1983 through 1991.
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 |
|---|---|
| 1987-1995 | P21/5W |
| 1976-1985 | P21/5W |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W |