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 MANUALSBMW2006330CI COUPE (E46) L6-3.0L (M54)REPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSINSTRUMENTS - BACKLIGHTING FAILS INTERMITTENTLY
2006 BMW 330Ci Coupe (E46) L6-3.0L (M54)
Instruments - Backlighting Fails Intermittently
2006 BMW 330Ci Coupe (E46) L6-3.0L (M54)SECTION Instruments - Backlighting Fails Intermittently
SI B 62 10 06
Instruments
February 2007
Technical Service
SUBJECT
Instrument Cluster Back Lighting Fails Sporadically
MODEL
E46 (3 Series)
E83 (X3) E85 (Z4)
Vehicles produced from August 31, 2003 to July 27, 2006.
SITUATION
The customer may experience brief failure of the instrument cluster back lighting, air condition control or radio. The failure will last between 10-15 seconds.
CAUSE
Light Switching Center (LSZ)
CORRECTION
Replace the LSZ with updated parts as listed below. Please compare with EPC before carrying out the replacement.
PARTS INFORMATION
E83:
E46:
E85:
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.
Defect Code Refer to KSD
Labor Operation: Refer to KSD
Labor Allowance: Refer to KSD
Disclaimer
Instruments
February 2007
Technical Service
SUBJECT
Instrument Cluster Back Lighting Fails Sporadically
MODEL
E46 (3 Series)
E83 (X3) E85 (Z4)
Vehicles produced from August 31, 2003 to July 27, 2006.
SITUATION
The customer may experience brief failure of the instrument cluster back lighting, air condition control or radio. The failure will last between 10-15 seconds.
CAUSE
Light Switching Center (LSZ)
CORRECTION
Replace the LSZ with updated parts as listed below. Please compare with EPC before carrying out the replacement.
PARTS INFORMATION
E83:
E46:
E85:
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.
Defect Code Refer to KSD
Labor Operation: Refer to KSD
Labor Allowance: Refer to KSD
Disclaimer
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.