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      12-11-2020, 11:01 PM   #9
jad03060
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Drives: X5 45e
Join Date: Aug 2018
Location: NH

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The big difference between the suspension on the Citroen and the air suspension on the X5 is the range. When you let the fluid out of the suspension, the thing had maybe a couple of inches of ground clearance and literally no springs. When pumped up to high, it was nearly a foot, so the delta was enough to pull the wheels up away from the ground easily. On their suspension, to adjust the height, you pump more or less hydraulic fluid into the system, and the shocks just meter that fluid in/out of the chamber. The actual spring is a nitrogen filled sphere at the top of the assembly, rather than just pumping on more or less air on the X5. They're both fully progressive springs, but other than that, quite different. The system ran at about 24-2500 psi hydraulic pressure.

Anyway, way off topic, but hopefully interesting!

I think the range between min/max on the X5 is maybe close to 3" difference.
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