BMW Z3 Turn Signal Bulb Size
BMW Z3 front inner and rear turn signal bulbs use P21W size, while front outer signals require 12821 bulbs and front turn signals use P21/5W or 2357NA sizes. The replacement chart covers 1996 to 1998 model years with corresponding bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Inner Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1996-1998 | 1156 | P21W | Check Price |
Front Outer Turn Signal
| Years | Bulb Type | Shop |
|---|---|---|
| 1996-1998 | 12821 | Check Price |
Front Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1998 | 1157 | P21/5W | Check Price |
| 1996-1997 | 2357NA | P21/5W | Check Price |
Rear Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1996-1998 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| 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 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 26.9W/8W. | 2357NA | Check Price |