BMW 3 Series 4-dr. Rear Turn Signal Bulb Size / Type
The recommended Rear turn signal bulb type / size for BMW 3 Series 4-dr. produced 2009 to 2013. To avoid mistakes when purchasing a replacement bulb, it's a good idea to refer to your owner's manual or consult with a qualified mechanic.
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| Model Year | Bulb Size / Type |
|---|---|
| 2013 | P21W |
| 2012 | P21W |
| 2011 | P21W |
| 2010 | P21W |
| 2009 | P21W |