BMW 528i Turn Signal Bulb Size
BMW 528i front inner turn signal bulb size is 3157, front outer is 12961, front options include PY24WNA, 3357NA, and 3457NA, while rear turn signal bulb size is P21W. Replacement chart covers vehicle production years spanning 1979 to 2016 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 |
|---|---|
| 1997-2000 | 3157 |
Front Outer Turn Signal
| Years | Bulb Size |
|---|---|
| 1997-2000 | 12961 |
Front Turn Signal
| Years | Bulb Size |
|---|---|
| 2014-2016 | PY24WNA (With HID Headlamps) |
| 2011-2013 | PY24WNA |
| 2010 | 3357NA |
| 2009 | 3457NA |
| 2008 | 3357NA |
| 2000 | 3357NA (Front) |
| 12961 (Side) | |
| 1997-1999 | 3157 (Front) |
| 12961 (Side) | |
| 1979-1981 | P21/5W |
Rear Turn Signal
| Years | Bulb Size |
|---|---|
| 1997-2000 | P21W |
| 1979-1981 | P21W |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 |
| ANSI standard (US & Canada). Amber variant of ECE PY24W with PGU20-4 base. 12V, 24W. | PY24WNA |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25), natural amber glass. 12V, 27W. | 3357NA |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3457NA |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |