How to upgrade headlights on BMW E46 325xi (M54B25) to LED
Posted: Tue Oct 01, 2024 11:41 am
How to upgrade headlights on BMW E46 325xi (M54B25) to LED
Options:
Options:
- LED bulb replacement
- Full LED projector retrofit
- Choose H7 LED bulbs (for low beam) and H7 or H1 (for high beam)
- Ensure proper heat dissipation and beam pattern
- May require load resistors to prevent error messages
- Installation:
1. Remove headlight assembly
2. Replace halogen bulbs with LED equivalents
3. Install load resistors if necessary
4. Reassemble and adjust beam pattern
- Choose a complete retrofit kit (e.g., Morimoto XB LED)
- Installation steps:
1. Disassemble headlight housing
2. Remove original projectors and bulbs
3. Install new LED projectors and driver boards
4. Reassemble housing, ensuring proper sealing
5. Calibrate and align new headlights