Lighting - Headlamp(s) Inop. After Parts Replacement

SI B 63 07 05
Lights

April 2006
Technical Service

This Service Information bulletin supersedes S.I. B63 07 05 dated November 2005.

[NEW] designates changes to this revision

SUBJECT
Headlight(s) are Inoperative After Parts Replacement or Coding

MODEL
E46 (3 Series) with SA 522 (Xenon lights)

E53 (X5) with SA 522 (Xenon lights)

[NEW] E83 (X3) with SA522 (Xenon lights)

[NEW] E85 (Z4) with SA522 (Xenon lights)

SITUATION
After replacing a headlight(s) assembly, Lamp Module (LCM), Lamp Switch Center (LSZ), Stepper Motor Controller (SMC), Active Headlight Control (AHL) or coding the LCM/LSZ the headlight is inoperative.

CAUSE
The System has not been initialized.

PROCEDURE
The headlight has to have a calibration sweep in order for the LCM/LSZ to recognize it.

Use the following procedure to calibrate the headlights:

^ Select - Control Module Function Screen

^ Select - Active Headlight Control (AHL)

^ Select - Activate Components

^ Select - Reference run with sensor

^ Select - Control module reset

WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.

Defect Code Refer to KSD

Labor Operation: Refer to KSD





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