As you replace the two plastic clips, do this during warm weather and use a heat gun to soften up the vapor barrier foam adhesive (tacky black tar type adhesive) which can allow you to gently pull back or cut (razor blade or similar). If you are considering Dynamat, this is a perfect time to do this (been there, done that).

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2002 Euro X5 (E53) 3.0 diesel (M57)
5 speed manual with UUC short shifter.
Pre-xDrive NV125 transfer case (chain & gears).
Factory Xenon headlights, Spyder LED tail lights
Updated vortex crankcase breather.
Motorsport dead pedal, factory fire extinguisher, factory first aid kit, factory F&R mud flaps, factory PDC

Bilstein B6 shocks F&R
Redline oil has replaced "lifetime" fluids (F&R diff, manual transmission, transfer case and P/S).
Dimple magnetic drain plugs in all compartments.