Thanks for the informative write-up. There is no real DIY section for the E70 so thanks for sharing.

Just curious how did you know your air suspension needed replacing? Was there a fault that appeared or was it due to ride comfort or visually one side was sagging?

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'02 3.0 X5 Silver - SP/Prem/Nav/M-Steering/Running board/NAV-TV

'07 3.0 X5 Silver - SP/Prem/Nav/M-Steering/Running board/3rd row/Areodynamic kit/Fender Flare Arches/214 wheels *** SOLD ***