BMW M3 Turn Signal Bulb Size
BMW M3 front and rear turn signal bulbs utilize multiple size specifications including 12496, PY21W, P21/5W, 12821, PY24WNA, 12180, and P21W across inner, outer, and rear positions. The replacement chart documents bulb size data spanning 1988 to 2018 model years.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Inner Turn Signal
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 |
|---|---|---|---|
| 2006 | 12496 | 12496 | Check Price |
| 2003-2005 | 7507 | PY21W | Check Price |
| 2002 | 12496 | 12496 | Check Price |
| 2001 | 7507 | PY21W | Check Price |
| 1997-1999 | 1157 | P21/5W | Check Price |
Front Outer Turn Signal
| Years | Bulb Type | Shop |
|---|---|---|
| 1997-1999 | 12821 | Check Price |
Front Turn Signal
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 |
|---|---|---|---|
| 2015-2018 | PY24WNA (With HID Headlamps) | PY24W | Check Price |
| 2012-2013 | 12180 | 12180 | Check Price |
| 2008 | 12180 | 12180 | Check Price |
| 2006 | 1156 | P21W | Check Price |
| 2005 | 12961 (Side) | 12961 | Check Price |
| 1156 (Yellow) | P21W | Check Price | |
| 2004 | 1156 (Side) | P21W | Check Price |
| 7507 (Yellow) | PY21W | Check Price | |
| 2003 | 12961 (Side) | 12961 | Check Price |
| 1156 (Yellow) | P21W | Check Price | |
| 2001-2002 | 1156 | P21W | Check Price |
| 1997-1999 | 12961 (Side) | 12961 | Check Price |
| 1995-1996 | 1157 | P21/5W | Check Price |
| 1988-1991 | 1157 | P21/5W | Check Price |
Rear Turn Signal
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 |
|---|---|---|---|
| 2015 | 1156 | P21W | Check Price |
| 2004-2006 | 1156 | P21W | Check Price |
| 2002-2003 | 7507 | PY21W | Check Price |
| 2001 | 12496 | 12496 | Check Price |
| 1995-1999 | 1156 | P21W | Check Price |
| 1988-1991 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| Philips/Osram part number. Halogen bulb, specialty application. 12V. | 12496 | Check Price |
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W | 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 |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12821 | Check Price |
| ANSI standard (US & Canada). Amber variant of ECE PY24W with PGU20-4 base. 12V, 24W. | PY24WNA | Check Price |
| ECE standard (Europe & worldwide). Single-filament amber bulb with PGU20-4 base. 12V, 24W. | PY24W | Check Price |
| Philips part number. Halogen bulb, specialty application. 12V. | 12180 | 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. | 12961 | Check Price |