BMW 740i Back Up Light Bulb Size
The BMW 740i back up light utilizes bulb sizes 921 and P21W depending on the specific version of the vehicle. Available data covers a range from 1993 through 2015 for the components listed.
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 | US Type | EU Type | Shop |
|---|---|---|---|
| 2011-2015 | 921 | W16W | Check Price |
| 1997-2001 | 1156 | P21W | Check Price |
| 1993-1995 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 | 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 |