Agree with crystal, no easy fix. in the sort term it started getting in my way so I cut out a piece to at least be safe. Funny you bring it up. I'm starting my headliner removal today. BTW, if you do cut it open be ready for a big mess from old dried up foam.

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2005 X5 3.0, Manual Transmission, Black on Black, Sport Suspension, 250,000+ miles and counting, Best SUV I've ever owned