BMW 230i Brake Bulb Size
The BMW 230i brake light utilizes P21W and H21W bulb sizes for the lighting components located at the rear of the vehicle. Data for the specified automotive lighting covers the period from 2017 through 2018.
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 |
|---|---|
| 2018 | P21W (Adaptive) |
| 2017 | H21W (Adaptive) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BAY9s base. 12V, 21W. | H21W |