BMW M3 Stepwell Bulb Size
The BMW M3 stepwell light requires bulb sizes 12961 and DE3423 for the interior lighting system. Available information covers the range of 1996 through 2013 for the specified vehicle components.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | Bulb Type | Shop |
|---|---|---|
| 2008-2013 | 12961 | Check Price |
| 2004-2006 | 12961 | Check Price |
| 2001-2003 | DE3423 | Check Price |
| 1996-1999 | DE3423 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 | Check Price |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V. | DE3423 | Check Price |