Replacing Control Unit For Left Xenon Headlight (M3)

2001 BMW 330Ci Convertible (E46) L6-3.0L (M54)SECTION Replacing Control Unit For Left Xenon Headlight (M3)



Replacing Control Unit For Left Xenon Headlight (M3)


WARNING:
Version with xenon headlights; Danger to life due to high voltage! Therefore disconnect all components from voltage supply before removal.
Work on the entire xenon lighting system (ignition unit control unit and lamp) may only be carried out by specialist personnel.








Disconnect plug connection (1).
Unclip control unit cover (3) and remove.

Installation Note: Make sure catches (2) are correctly seated.







Release screws (1) and (3) and nut (2).
Remove holder of control unit for xenon headlight (4) and place to one side.







Release screws (1) and remove retaining plate (2).
Detach control unit for xenon headlight (3) from holder of control unit for xenon headlight (4) and remove.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.