2003 BMW 745i Headlight Bulb Size
Factory light bulb sizes for headlight, fog light, turn signal, brake, and interior lights.
Quick Factory Answer
The 2003 BMW 745i uses H7 for low beam and H7 for high beam.
Low Beam Headlight
H7
High Beam Headlight
H7
Fog Light Bulb
H8
Front Turn Signal
PY21W
Full Automotive Light Bulb Chart
| Low Beam Headlight | 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 2003 BMW 745i
Frequently Asked Questions
What size headlight bulb fits a 2003 BMW 745i?
The 2003 BMW 745i uses a H7 bulb for the low beam and a H7 bulb for the high beam.
Does a 2003 BMW 745i use separate low and high beam bulbs?
Yes — it uses separate bulbs: H7 for low beam and H7 for high beam.
What fog light bulb fits a 2003 BMW 745i?
The 2003 BMW 745i uses a H8 bulb for the front fog lights.