2 Years Available
BMW 440i Light Bulb Sizes
Complete bulb size reference for the BMW 440i from 2017 to 2020. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Our database lists the same D1S low beam bulb for BMW 440i entries from 2017 to 2020. Confirm your trim and factory lighting package before buying.
Year Range
2017 – 2020
2 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Fog Light | H11(2017–2020) | 2 years | Consistent |
| Low Beam | D1S(2017–2017) | 1 years | Consistent |
| High Beam | D1S(2017–2017) | 1 years | Consistent |
| Turn Signal Front | 5200(2017–2017) | 1 years | Consistent |
| Turn Signal Rear | 7506(2017–2017) | 1 years | Consistent |
| Dome Light | 2825(2017–2017) | 1 years | Consistent |
| Reverse Light | PW16W(2017–2017) | 1 years | Consistent |
Common 440i Replacement Parts
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Frequently Asked Questions
We have bulb size data for the BMW 440i from 2017 to 2020, covering 2 model years. Select your year below for a complete position-by-position bulb chart.
No, the BMW 440i has used the D1S low beam bulb consistently across all 2 model years in our database. Any year in the 2017–2020 range uses the same bulb.
The BMW 440i uses a D1S bulb for the low beam (same bulb serves both high and low beam via dual filament), and a H11 for the fog lights. Select your year below for the exact fitment chart.
Yes. The BMW 440i uses a D1S low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.
Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.