Lighting - Auto-Lamps Switch On Too Early Or Too Late
SI B63 11 08
Lights
April 2011 Technical Service
This Service Information bulletin supersedes SI B63 11 08 dated May 2010. [NEW] designates changes to this revision
SUBJECT
Automatic Headlamps: Adjust Sensitivity
MODEL
[NEW] E82, E88 (1 Series)
[NEW] E90, E91, E92, E93 (3 Series)
[NEW] Vehicles equipped with option 205 (Automatic transmission) and option 521 (Rain sensor and auto headlight)
[NEW] SITUATION
The customer states that with the headlamp switch set to the "Automatic" position, the headlamps switch on too early or too late. CAUSE
Rain/light sensor sensitivity
[NEW] PROCEDURE
Adjust the headlamp sensitivity by using the latest ISTA (Integrated Service Technical Application) diagnosis version.
Search for the test plan by selecting "Information Search\Function Structure\03 Body\Lights". and "Start Search". From the ISTA hit list, select the test plan "W6300_WAS20-Sensitivity, automatic driving lights" and follow the procedure. Recheck the function and operation of the automatic headlamps.
[NEW] WARRANTY INFORMATION
This service information bulletin is intended to provide technical diagnostic and/or repair information.
The situation described above is a normal characteristic of the vehicle design. Adjustment of these settings at the request of the customer is not a warranty matter.
