6 Years Available
BMW 540i Light Bulb Sizes
Complete bulb size reference for the BMW 540i from 1998 to 2003. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Year Range
1998 – 2003
6 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | HID-D2S LED(1998–2003) | 6 years | Consistent |
| High Beam | H7 LED(2001–2003) 9005 LED(1998–2000) | 6 years | Changed |
| Fog Light | H8 LED(2001–2003) H7 LED(1998–2000) | 6 years | Changed |
| Brake Light | LED Bulb(2001–2003) 7506 LED(1998–2000) | 6 years | Changed |
| Turn Signal Front | 3457NA LED(2001–2003) 2825 LED(1998–2000) | 6 years | Changed |
| Side Marker | LED Bulb(2001–2003) 5007 LED(1998–2000) | 6 years | Changed |
| Turn Signal Rear | 7506 LED or 12496 LED(2001–2003) 7506 LED(1998–2000) | 6 years | Changed |
| Dome Light | 6411(1998–2003) | 6 years | Consistent |
| License Plate | 6418(1998–2003) | 6 years | Consistent |
| Parking Light | 64132(2001–2003) 3157K(1998–2000) | 6 years | Changed |
| Reverse Light | 7506(1998–2003) | 6 years | Consistent |
| Trunk Light | 6411(1998–2003) | 6 years | Consistent |
Select Your Year
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Frequently Asked Questions
We have bulb size data for the BMW 540i from 1998 to 2003, covering 6 model years.
Yes, the BMW 540i has used different bulb sizes across model years. Check the bulb evolution table above to see exactly which sizes were used in which years.
The most commonly used low beam headlight bulb for the BMW 540i is the HID-D2S LED. Select your specific year below for the exact fitment.
Yes, you can upgrade your BMW 540i headlights to LED. Look for an LED conversion kit in the HID-D2S LED size for the low beams. LED bulbs offer better visibility and longer lifespan.
Select your BMW 540i year from the list below. Each year page shows every bulb position with the correct size and links to purchase on Amazon.