From past postings it sounds like this migrating oil can rot out things up at the "ignition sw" end. When this happens it can go everywhere. Had it down on the radio, into the ACC connectors and all over many of the cabled wires under the console. PO had changed out the whole ign sw and column lock sometime before we prchased the car, and there was no new leaking; but still had a mess that the PO should have dealt with sometime earlier.

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1961 190Db retired
1968 220D/8 325,000
1983 300D 164,150