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F30 / F31 / F32 / F33 (2012 - current)
The sixth generation 3 series, chassis code F30. 2013 model year 328i and 335i sedans now in production. Read the F30 frequently asked question thread for all your basic question and dive into all the details in the ultimate F30 information thread.

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  #1  
Old 07-20-2012, 09:49 PM
fb88 fb88 is offline
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anti-dazzle High-Beam Assistant

Is the use of cover to prevent the bulb from shortening out from constant on/off cycle?

http://www.netcarshow.com/bmw/2012-3-series/

Intelligent use of advanced light technology

The optional High-Beam Assistant for the new BMW 3-Series Sedan provides enhanced safety at night. The system automatically switches high beam on and off, as conditions require, ensuring that the driver always has optimal visibility without having to switch manually between high and low beam. Images recorded by the camera integrated into the rear-view mirror allow the system to identify vehicles travelling up to around 400 metres (approx. mile) in front. Oncoming traffic is picked up when it is still around 1,000 metres (just under mile) away, and the system also switches to low beam if ambient lighting is bright enough.

If the optional bi-xenon headlights are specified, the new BMW 3-Series Sedan can also be ordered with the latest-generation Adaptive Headlights with cornering lights, variable headlight distribution and adaptive headlight range control for city and motorway driving. The Adaptive Headlights provide illumination that follows the course of the road, swivelling in line with the steering angle and the speed of the car. The cornering light function integrated into the foglamps is triggered when the driver switches on the indicator and turns the steering wheel (at up to 65 km/h / 40 mph). Every time the driver turns off, an additional beam of light provides significantly improved visibility in the area immediately around the car. Included in the equipment package for the first time is an anti-dazzle High-Beam Assistant, which allows high beam to remain engaged even when there is oncoming traffic. A cover applied across the headlights as and when required eliminates the danger of dazzling approaching vehicles.
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  #2  
Old 07-21-2012, 07:58 AM
Elk Elk is offline
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Quote:
Originally Posted by pyao88 View Post
Is the use of cover to prevent the bulb from shortening out from constant on/off cycle?
A reasonable thought, but no; the low beam and high beam use the same lighting element and outer headlight of the headlights pairs. The xenon light source is constantly on once the headlights are activated. The only difference between low and high beam is a little cover that moves to let more light out for high beam.

This may be what the quote refers to.
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Old 07-10-2013, 08:25 PM
bringonthenite bringonthenite is offline
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This one one of my unexpected favourite features of my F30.
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Old 07-11-2013, 05:15 PM
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Originally Posted by bringonthenite View Post
This one one of my unexpected favourite features of my F30.
Agreed.
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