Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2001330CI CONVERTIBLE (E46) L6-3.0L (M54)REPAIR AND DIAGNOSISLIGHTING AND HORNSRELAYS AND MODULES - LIGHTING AND HORNSHEADLAMP CONTROL MODULESERVICE AND REPAIRREPLACING CONTROL UNIT FOR LEFT XENON HEADLIGHT (COUPE, CONVERTIBLE)
2001 BMW 330Ci Convertible (E46) L6-3.0L (M54)
Replacing Control Unit For Left Xenon Headlight (Coupe, Convertible)
2001 BMW 330Ci Convertible (E46) L6-3.0L (M54)SECTION Replacing Control Unit For Left Xenon Headlight (Coupe, Convertible)
63 12 860 Replacing Control Unit for Left Xenon Headlight (Coupe, Convertible)
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.
Build Status Up to 03/2003:
Necessary Preliminary Tasks:
- Remove left headlight (xenon headlight).
Release screws (1).
Pull xenon headlight control unit holder together with control unit for xenon headlight (2) in direction of arrow out of guides and place to one side.
Installation:
- Ensure correct cable routing.
Release screws (1).
Disconnect control unit for xenon headlight (3) from xenon headlight control unit holder (2) and remove.
Build Status From 03/2003:
Necessary Preliminary Tasks:
- Remove left headlight (xenon headlight).
Release screws (1).
Remove control unit for xenon headlight (2) in direction of arrow from headlight (3).
Installation:
- Fit control unit for xenon headlight (3) exactly on headlight.
- Make sure plug housing (1) is correctly seated on pin housing (2).
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.