BMW M3 Tail Light Bulb Size
The BMW M3 tail light utilizes bulb sizes P21W, P21/4W, P21/5W, and 12821 depending on the specific version required for the lighting assembly. Data for the lighting components covers the range from 1988 through 2011.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Outer Tail Light
| Years | Bulb Type | Shop |
|---|---|---|
| 1995-1999 | P21/4W | Check Price |
Tail Light
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2011 | 1156 | P21W | Check Price |
| 2001-2006 | P21/4W | P21/4W | Check Price |
| 1999 | 12821 | 12821 | Check Price |
| 1997-1998 | 1157 | P21/5W | Check Price |
| 1995-1996 | P21/4W | P21/4W | Check Price |
| 1988-1991 | 12821 | 12821 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAZ15d bayonet base. 12V, 21W/4W. | P21/4W | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12821 | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 | Check Price |