14 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; 2001–2005: D2S; 2002–2006: H7; 2007: D1S. Make sure to select your exact year below to get the right bulb size.
Year Range
1989 – 2007
14 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Low Beam | 9006(1989–1995) D2S(2001–2005) H7(2002–2006) D1S(2007–2007) | 14 years | Changed |
| High Beam | H7(2001–2007) 2721(1991–1995) 9005(1989–1990) | 14 years | Changed |
| Fog Light | 9006(1991–2007) H11(2001–2003) H1(1989–1995) | 14 years | Changed |
| Turn Signal Front | 7528(1989–1995) 12496(2004–2005) 3457NA(2001–2003) 2827(2007–2007) 3157CK(2002–2002) | 13 years | Changed |
| Turn Signal Rear | 7506(1989–1995) 7507(2002–2006) 12496(2007–2007) | 10 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) W5W(2006–2006) | 13 years | Changed |
| Reverse Light | 7506(1989–2003) 921(2004–2006) 921K(2007–2007) | 13 years | Changed |
| Trunk Light | 6411(1989–2007) | 12 years | Consistent |
| Door Light | W5W(2006–2007) | 2 years | Consistent |
| Side Marker | 2825(1989–2005) | 9 years | Consistent |
| Brake Light | 2721(1991–1995) 7506(1989–2003) | 9 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 14 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; 2001–2005: D2S; 2002–2006: H7; 2007–2007: D1S. Make sure to check your exact year using the list below.
The BMW 525i uses a 9006 bulb for the low beam and a H7 for the high beam, and a 9006 for the fog lights. Select your year below for the exact fitment chart.
Yes. The BMW 525i uses a 9006 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.