BMW G12 2015 Technical Training Manual page 26

G12￿General￿Vehicle￿Electronics
2.￿Interior￿Lights
2.3.2.￿System￿components
Light￿Effect￿Manager
Light￿Effect￿Manager
The￿control￿unit￿Light￿Effect￿Manager￿(LEM)￿is￿responsible￿for￿controlling￿the￿following￿lighting:
• Panorama￿glass￿roof
• Light￿sabers￿at￿the￿B-pillars￿of￿the￿G12
• Speaker￿covers￿in￿the￿High￿End￿audio￿system
• Touch￿Command￿snap-in￿adaptor
Panorama￿glass￿roof
The￿ambient￿lighting￿of￿the￿interior￿is￿extended￿to￿the￿panorama￿glass￿roof.￿This￿creates￿a￿high-quality
roof￿appearance￿for￿journeys￿at￿night.
The￿light￿colors￿are￿coupled￿with￿the￿colors￿of￿the￿ambient￿lighting￿of￿the￿vehicle￿interior.￿The￿lighting
of￿the￿panorama￿glass￿roof￿can￿be￿dimmed￿separately.
Function
The￿light￿is￿fed￿into￿the￿window￿glass￿by￿means￿of￿LED￿modules￿and￿fiber￿optic￿conductors￿installed￿at
the￿sides.￿The￿light￿is￿refracted￿at￿the￿printed￿graphic￿and￿diverted￿into￿the￿interior.
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