Hi all! I need help here, I need to remove the rear door trim panel of my 4.8is, however, before doing that, I need to remove the sun blind on the rear side window. Does anyone here has any idea how to remove the sun blind on the rear side window? Thanks for help!

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--2004 E53 X5 4.8is - ECE version; right hand drive; Located in Hong Kong; ext. black sapphire metallic; int. leather black; adaptive dynamic bi-xenon headlights; 16:9 onboard monitor w/o navigation; 20" genuine BMW Y-spoke 214 wheels with Bridgestone Dueler H/P Sport tires; Int. rear view mirror w/ compass.