The concept

BMW X5

BMW X5
BMW X5

▷ During normal brake application, the outer brake lamps light up.
▷ During heavy brake application, the inner brake lamps light up in addition.

BMW X6

BMW X6
BMW X6

▷ During normal brake application, the outer brake lamps light up.
▷ During heavy brake application, the inner brake lamps light up in addition.

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    The concept
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