I could be wrong, but it looks to me like you need to us a pick tool to pull the clamp and release it, at which point the hose should just come right off..

You will probbably have to rotate the hose till you can reach and pull the clip..

From the ECS Part Photos..

Attached Images

 

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~Scott

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Black Sapphire Metallic/Sand Beige '13 E70 35d, SP, NAV, Tech, Comfort Access/Seats
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