not only on 4.8, I have it on 3.0
I sometimes use it for heavy stuff, comes handy... Doesn't rattle with me...

Once my friend told me that it looks like the funeral cars, where you carry the cofin... they are equiped with similar trays... oh i hate it since then ...

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BMW X5 3.0si 2008
Premium Package
Light Package
Navigation
Reverse Camera
Rear Sensor (retro-fit)
Comfort Access
Spare Wheel
Power folding mirrors
Voice Control w Bluetooth
Power trunklid

BMW X3 3.0i 2006
M Aerokit
M Sport Package
Navigation System
BT Handsfree
Xenon HID

BMW X5 3.0i 2001 --- SOLD