When I pull the cross-over piped off, is there an o-ring or seal i should replace where it detaches on the passenger side (above the turbo)? There are no bolts there so i assume it just pulls out one you remove the two allens from the other end.

Again, great summary guys, I plan to do this in a few weeks.

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93 300D 2.5 Turbo, Black/Palomino 273K
09 E350 Black/Black 41K