BMW M2 Brake Bulb Size
The BMW M2 brake bulb specifications include P21W and H21W sizes for replacement applications. The replacement chart covers vehicle production from 2016 to 2018 with corresponding bulb size data.
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) |
| 2016-2017 | 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 |