Tail Lights
The E46 tail lights differ between sedan, coupe, and convertible body styles, and between pre-facelift and facelift models.
Bulb Specifications
Section titled “Bulb Specifications”| Function | Bulb Type |
|---|---|
| Tail/brake | P21/5W (dual filament) |
| Turn signal | PY21W (amber) |
| Reverse | P21W |
| Rear fog | P21W |
Common Issues
Section titled “Common Issues”- Burnt-out bulb warnings (check bulb and socket connections)
- Tail light gasket failure (moisture ingress)
- Connector melting from heat (especially on coupe models)
- Cracked lens from impact
LED Conversions
Section titled “LED Conversions”LED tail light conversions are available but require resistors or a coding change to avoid bulb-out warnings from the LCM.