BMW 128i Turn Signal Bulb Size
BMW 128i front and rear turn signal bulbs use the 12496 and PY21W sizes respectively. The replacement chart covers 2008 to 2013 model years with corresponding bulb specifications.
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 |
|---|---|---|---|
| 2013 | 7507 (With HID Headlamps) | PY21W | Check Price |
| 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price | |
| 2012 | 12496 (With HID Headlamps) | 12496 | Check Price |
| 7507 (With Halogen Capsule Headlamps) | PY21W | Check Price | |
| 2011 | 7507 | PY21W | Check Price |
| 2010 | 7507 (With HID Headlamps) | PY21W | Check Price |
| 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price | |
| 2008-2009 | 12496 | 12496 | Check Price |
Rear Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2008-2013 | 7507 | PY21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| 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 |