Sorry, but I haven't ran into this issue yet. I'll keep an eye on this thread so I'll know for the future. IMO I think you might have to change the connectors(cut and solder) make sure colors are correct and then plug in.

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1995 E420 152k
1991 300D 2.5 348116 daily driver
1992 300E 2.6 196k-work in progress(head gasket)
2002 BMW 745Li 93k