We got rear ended yesterday and the force actuated a mechanism in the headrests that pushed the soft part of the headrest forward, never seen this before, does anyone know how much force (how hard you need to be hit) to actuate these...( car is a 09 528)...
We got hit while stopped at a light by an relatively new F250 Ford P/U, quite a bang...and although there doesn't look like much damage I'm sure that there is damage to the shock mech behind the bumpers, oh and someone told me those headrest are $1000 each to replace !!!!
Thanks Daniel
Daniel ( ps, do our 06 X5's have this?)

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BMWCCA # 12660
14 GLK 350 M/B (hatefull POS gone)
05 CLK 500 AMG Cabrio
07 530xiT
09 Boxster