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

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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.