12 Years Available
BMW 525i Light Bulb Sizes
Complete bulb size reference for the BMW 525i from 1989 to 2007. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The BMW 525i changed low beam specifications across model years — 1989–1995: 9006 LED; 2001–2005: HID-D2S LED; 2007: HID-D1S LED. Make sure to select your exact year below to get the right bulb size.
Year Range
1989 – 2007
12 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | 9006 LED(1989–1995) HID-D2S LED(2001–2005) HID-D1S LED(2007–2007) | 12 years | Changed |
| High Beam | H7 LED(2001–2007) 2721(1991–1995) 9005 LED(1989–1990) | 12 years | Changed |
| Fog Light | 9006 LED(1991–2007) H1 LED(1989–1995) H8 LED(2001–2003) | 12 years | Changed |
| Brake Light | 2721(1991–1995) 7506 LED(1989–2003) LED Bulb(2004–2007) | 12 years | Changed |
| Turn Signal Front | 7528 LED(1989–1995) 12496 LED(2004–2005) 3457NA LED(2001–2003) 2827 LED(2007–2007) | 12 years | Changed |
| Turn Signal Rear | 7506 LED(1989–1995) 12496 LED or 7506 LED(2001–2005) 12496 LED(2007–2007) | 12 years | Changed |
| Dome Light | 6451(1989–1995) 6411(2001–2005) 6486X(2007–2007) | 12 years | Changed |
| License Plate | 6418(1989–2007) | 12 years | Consistent |
| Map Light | 64113(2001–2005) 6486X(2007–2007) | 5 years | Changed |
| Parking Light | 7528(1989–1995) 2825(2004–2007) 64132(2001–2003) | 12 years | Changed |
| Reverse Light | 7506(1989–2003) 921(2004–2005) 921K(2007–2007) | 12 years | Changed |
| Trunk Light | 6411(1989–2007) | 12 years | Consistent |
| Side Marker | 2825 LED(1989–2005) LED Bulb(2001–2003) | 11 years | Changed |
Common 525i Replacement Parts
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Frequently Asked Questions
We have bulb size data for the BMW 525i from 1989 to 2007, covering 12 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the BMW 525i changed low beam bulb specifications across generations: 1989–1995: 9006 LED; 2001–2005: HID-D2S LED; 2007–2007: HID-D1S LED. Make sure to check your exact year using the list below.
The BMW 525i uses a 9006 LED bulb for the low beam and a H7 LED for the high beam, and a 9006 LED for the fog lights. Select your year below for the exact fitment chart.
Yes. The BMW 525i uses a 9006 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.