Page 1 of 1

How to upgrade to LED headlights on BMW E46 325xi (M54B25) with xenon headlights?

Posted: Tue Oct 01, 2024 11:41 am
by spinecki
How to upgrade to LED headlights on BMW E46 325xi (M54B25) with xenon headlights?

Upgrade options:
  • LED bulb replacement for low and high beams
  • Full LED projector retrofit
LED bulb replacement procedure:
  • Choose compatible H7 LED bulbs for low beam and H1 for high beam
  • Remove headlight assembly
  • Replace xenon bulbs with LED equivalents
  • Install required ballast or resistor to prevent error messages
  • Reassemble and adjust beam pattern
Full LED projector retrofit:
  • Purchase a complete LED projector kit (e.g., Morimoto XB LED)
  • Disassemble headlight housing
  • Remove original xenon projectors
  • Install new LED projectors and driver boards
  • Reassemble housing and align new headlights
Note: Ensure compliance with local regulations regarding headlight modifications.