The only thing holding me back from changing it is the device that connects into the hose from the top and has a metal line coming to it from the fuel distributor...

I do not know how to safely remove this thing... should I just try to remove the two hex screws holding it down and the metal line from the fuel distro or what?

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2006 BMW M5 "Heidi" @ 109,000 miles
2005 MBZ C55 AMG "Lorelai" @ 165,000 miles
1991 MBZ 300E "Benzachino II" @ 165,000 miles
1990 MBZ 500SL "Shoshanna" @ 118,000 miles

(On the hunt for a good used M103 engine as of 6/10/23, PM me if you have one to sell!)