BMW 740i Stepwell Bulb Size
The BMW 740i stepwell light uses bulb sizes 12961 and DE3423 according to the provided specifications for the vehicle. Data for the lighting components covers the range from 1995 through 2015.
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 Size |
|---|---|
| 2011-2015 | 12961 |
| 1999-2001 | DE3423 |
| 1997-1998 | 12961 (Front) |
| DE3423 (Rear) | |
| 1995 | 12961 (Front) |
| DE3423 (Rear) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V. | DE3423 |