4 Years Available
BMW X4 Light Bulb Sizes
Complete bulb size reference for the BMW X4 from 2015 to 2019. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The BMW x4 changed low beam specifications across model years — 2015–2018: HID-D1S LED; 2019: LED Headlights. Make sure to select your exact year below to get the right bulb size.
Year Range
2015 – 2019
4 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | HID-D1S LED(2015–2018) LED Headlights(2019–2019) | 4 years | Changed |
| High Beam | HID-D1S LED(2015–2018) LED Headlights(2019–2019) | 4 years | Changed |
| Fog Light | LED Fog Light(2015–2019) | 4 years | Consistent |
| Brake Light | LED Bulb(2015–2019) | 4 years | Consistent |
| Side Marker | LED Bulb(2015–2019) | 4 years | Consistent |
| Turn Signal Front | 7507 LED(2015–2018) 12180 LED(2019–2019) | 4 years | Changed |
| Turn Signal Rear | 12182 LED(2015–2018) LED Bulb(2019–2019) | 4 years | Changed |
| Dome Light | LED Bulb(2019–2019) | 1 years | Consistent |
| License Plate | LED Bulb(2015–2018) 6418(2019–2019) | 4 years | Changed |
| Map Light | LED Bulb(2019–2019) | 1 years | Consistent |
| Parking Light | LED Bulb(2015–2019) | 4 years | Consistent |
| Reverse Light | 7506(2015–2018) LED Bulb(2019–2019) | 4 years | Changed |
| Trunk Light | LED Light(2015–2019) | 4 years | Consistent |
Common X4 Replacement Parts
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Frequently Asked Questions
We have bulb size data for the BMW X4 from 2015 to 2019, covering 4 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the BMW X4 changed low beam bulb specifications across generations: 2015–2018: HID-D1S LED; 2019–2019: LED Headlights. Make sure to check your exact year using the list below.
The BMW X4 uses a HID-D1S LED bulb for the low beam (same bulb serves both high and low beam via dual filament), and a LED Fog Light for the fog lights. Select your year below for the exact fitment chart.
Yes. The BMW X4 uses a HID-D1S LED 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.