Front Seat Belts - Advice needed

[Oscarguitar]

Hi,

I have a 2005 X5 3.0D. The front seat belts are slow to retract (been replaced once but now out of warranty) and a thread on this forum suggested that I remove the B pillar panels and clean out the muck that accumulates on one of the guides that the belts run through.

Does anyone know how best to remove the panels on the inside of the B pillar? Do I just give them a good hard tug, or is there some catch or fastening that I need to undo?

Thanks