I'm worried about the amount of pressure NOW put on your softclose mechanism too, seeing as how the springs seem to "pop" that upper hatch open quickly, there must be a fair bit of pressure.
don't do it near your face.

PS: found another seller
Die Springs UK | Die Springs Online

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I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

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'91 850i
'05 X5 4.4i
'09 Clubman S