BMW 745i Turn Signal Bulb Size
The BMW 745i front inner turn signal uses 3457NA or 3357NA bulb size, while front turn signals require 3357NA or 12961, and rear turn signals use PY21W, 12496, or P21W bulb sizes. The replacement chart covers 2002 through 2005 model years 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
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 | 3457NA | PY27/7W | Check Price |
| 2004 | 3357NA | 3357NA | Check Price |
| 2003 | 3457NA | PY27/7W | Check Price |
| 2002 | 3357NA | 3357NA | Check Price |
Front Turn Signal
| Years | Bulb Type | Shop |
|---|---|---|
| 2002-2005 | 3357NA (Front) | Check Price |
| 12961 (Side) | 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 | 7507 | PY21W | Check Price |
| 2003-2004 | 12496 | 12496 | Check Price |
| 2002 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3457NA | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25), natural amber glass. 12V, 27W. | 3357NA | Check Price |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 | Check Price |
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W | Check Price |
| Philips/Osram part number. Halogen bulb, specialty application. 12V. | 12496 | 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 |