2010 BMW 550i GT Headlight Bulb Size
Factory light bulb sizes for headlight, fog light, turn signal, brake, and interior lights.
Quick Factory Answer
The 2010 BMW 550i GT uses D1S HID / H7 for low beam and H7 for high beam.
Low Beam Headlight
D1S HID / H7
High Beam Headlight
H7
Fog Light Bulb
H8
Front Turn Signal
PY21W
Full Automotive Light Bulb Chart
| Low Beam Headlight | D1S HID / H7 |
| High Beam Headlight | H7 |
| Fog Light | H8 |
| Front Turn Signal | PY21W |
| Rear Taillight / Brake Light | P21W |
| License Plate Light | 6418 / C5W |
| Reverse / Backup Light | 921 |
Other Factory Specs for 2010 BMW 550i GT
Frequently Asked Questions
What size headlight bulb fits a 2010 BMW 550i GT?
The 2010 BMW 550i GT uses a D1S HID / H7 bulb for the low beam and a H7 bulb for the high beam.
Does a 2010 BMW 550i GT use separate low and high beam bulbs?
Yes — it uses separate bulbs: D1S HID / H7 for low beam and H7 for high beam.
What fog light bulb fits a 2010 BMW 550i GT?
The 2010 BMW 550i GT uses a H8 bulb for the front fog lights.