BMW 545i Turn Signal Bulb Size
The BMW 545i uses a 12496 PY21W bulb size for both front and rear turn signal applications, with this bulb specification representing the replacement requirement across the model line. The replacement chart covers 2004 to 2005 production years and documents the turn signal bulb sizes for this generation.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
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 |
|---|---|---|---|
| 2005 | 12496 | 12496 | Check Price |
| 2004 | 7507 | PY21W | 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 |
|---|---|---|---|
| 2005 | 12496 | 12496 | Check Price |
| 2004 | 7507 | PY21W | 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 |