BMW 740i Tail Light Bulb Size
The BMW 740i tail light utilizes P21/5W and 12821 bulb sizes for the rear illumination system. Available data for the specified components covers the period from 1993 through 2001.
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 |
|---|---|
| 1999-2001 | P21/5W |
| 1997-1998 | 12821 |
| 1993-1995 | 12821 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12821 |