Resurrecting an old thread. Anybody successfully replace one of the 2 mesh titanium grilles (below headlights) on a facelifted e53 without removing the bumper?? Seems possible looking at the replacement part. I've tried to shift it away from the center but it seems to be held in place by something? Soooo close...

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2005 X5 4.4 (Sterling on Truffle) w/sport everything
2011 Audi S4 (Prestige, DSG)
2012 Audi Q7 (Sport, S-Line)