2025 BMW M3 Headlight Bulb Size
Factory light bulb sizes for headlight, fog light, turn signal, brake, and interior lights.
Quick Factory Answer
The 2025 BMW M3 uses Factory LED (Sealed Unit) for low beam and Factory LED (Sealed Unit) for high beam.
Low Beam Headlight
Factory LED (Sealed Unit)
High Beam Headlight
Factory LED (Sealed Unit)
Fog Light Bulb
Factory LED
Front Turn Signal
3157NA
Full Automotive Light Bulb Chart
| Low Beam Headlight | Factory LED (Sealed Unit) |
| High Beam Headlight | Factory LED (Sealed Unit) |
| Fog Light | Factory LED |
| Front Turn Signal | 3157NA |
| Rear Taillight / Brake Light | 7443 |
| License Plate Light | 168 / 194 |
| Reverse / Backup Light | 921 |
Other Factory Specs for 2025 BMW M3
Frequently Asked Questions
What size headlight bulb fits a 2025 BMW M3?
The 2025 BMW M3 uses a Factory LED (Sealed Unit) bulb for the low beam and a Factory LED (Sealed Unit) bulb for the high beam.
Does a 2025 BMW M3 use separate low and high beam bulbs?
Yes — it uses separate bulbs: Factory LED (Sealed Unit) for low beam and Factory LED (Sealed Unit) for high beam.
What fog light bulb fits a 2025 BMW M3?
The 2025 BMW M3 uses a Factory LED bulb for the front fog lights.