See the attached pics. You can see that the hose has pinch marks on it from the panel where it was pinched against the flat part of the A pillar between the chassis and the cover to the point that the ribs on the backside of the cover indented the hose. Notice the hose is installed as it should (as evident by the metal clip holding it) be but was still easily pinched. Hopefully this helps others, such a horrid design.

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Current stable: 2005 LMB X5 4.8is, 2000 LMB M5, 2004 JB M3 6spd coupe