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Home >> BMW >> 2013 >> M3 2D Convertible, Standard Trans >> Repair and Diagnosis (Single Page) >> General Information >> OEM General Information >> Functional Description -- M3 Convertible >> Body Electrical - Functional Description >> Rain/Driving Light Sensor: Restrictions Due To Technical Features >> - Rain/light sensor on vehicles with Head Up display
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- Rain/light sensor on vehicles with Head Up display

In vehicles with the optional extra HUD, the RLS controls the brightness of the HUD. This requires a special direction of vision of one of the sensors. The behavior on entering tunnels can therefore vary. The version for HUD cannot be renewed by the version without HUD.

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