BMW M6 Turn Signal Bulb Size
The BMW M6 front inner turn signal uses a 7440NA bulb size, while front turn signals accommodate 12188, 7440NA, or P21/5W bulb sizes, and rear turn signals require PY21W, 12496, or P21W bulb sizes. The replacement chart covers vehicle production years spanning 1987 to 2015 with corresponding bulb size 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 | Bulb Size |
|---|---|
| 2006-2010 | 7440NA |
Front Turn Signal
| Years | Bulb Size |
|---|---|
| 2012-2015 | 12188 (With HID Headlamps) |
| 2009-2010 | 7440NA (Front) |
| 2006-2008 | 7440NA |
| 1987-1988 | P21/5W |
Rear Turn Signal
| Years | Bulb Size |
|---|---|
| 2009-2010 | PY21W |
| 2006-2008 | 12496 |
| 1987-1988 | P21W |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament wedge bulb (T20), natural amber glass. 12V, 21W. | 7440NA |
| Philips part number. Halogen bulb, specialty application. 12V. | 12188 |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W |
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W |
| Philips/Osram part number. Halogen bulb, specialty application. 12V. | 12496 |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |