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Adaptive brake system

363 views 0 replies 1 participant last post by  Nardo51 
#1 ·
Turns out that the second set of brake lights on my '06 530xi sport wagon, only go on when I jam on the brakes and the ABS is engaged. This is for serious stopping with serious brake lighting. The mechanic says those lights probably have never lit up.
Thanks to all who chimed in on this
 
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