BMW 230i Turn Signal Bulb Size
BMW 230i front turn signal uses 12496 bulb size while rear turn signal requires 7440 bulb size for replacement. The chart covers 2017 to 2020 production 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 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 |
|---|---|---|---|
| 2018 | 12496 | 12496 | Check Price |
| 2017 | 7507 | PY21W | Check Price |
Rear Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2019-2020 | 7440 | W21W | Check Price |
| 2017-2018 | 1156 | P21W | 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 |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 | 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 |