Oh yes, i hear you about the quieter! My E70 has a terrible rattle! a lot of threads about the gate rattling, so i guess i'll have a long read to try to sort it out...

Thing is, you might go for an E70 for a change... just like you might buy a new shirt just for the fun of it... but logically speaking, it would be insane to pay 3 times the price of the E53 to get an E70

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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