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Adaptive headlights: Notes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Adaptive Headlights Angle
G04765200Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Option 524 is only available in conjunction with option 522. 
Option 524 "Adaptive headlights" is only available in conjunction with option 522 "Xenon dipped and high-beam headlights".
NOTE: EU approval for option 522 only in conjunction with option 502. 
Option 522 "Xenon dipped and high-beam headlights" is only available together with option 502 "Headlight cleaning system" (in countries subject to EU approval).
NOTE: ALC => AHL 
The development code for the adaptive headlights was "ALC".
ALC stood for "Adaptive Light Control".
The marketing and sales designation for option 524 in English-language markets is "adaptive headlights", abbreviated to "AHL".
Diagnosis and technical vehicle documentation therefore use the abbreviation "AHL".
However, "ALC" is still used on some control units and in the EPC (Electronic Parts Catalogue).