Updates on the 1987 325I: I got the car running. When it’s cold it’s stumbles a little but once it warms up it revs nicely but when it comes down to idle it takes a moment or two to idle smoothly. At idle it’s stumbles a little but very subtly. Don’t know if this old of a computer has a learning capability or if this is purely a tuning or adjustment issue. Also want to see if there are any vacuum leaks by using some propane through a tube and run it around the hoses and gaskets. Still have some wires that I don’t know where they plug into or if they were plugged in at all. I attached a picture with the wires so any input would be greatly appreciated. Also my speedo still dosent work so any input would be appreciated (I put new plastic gears in the speedometer), Also how to you test the sensor in the diff(I removed it and cleaned it but that didn't seem to work.
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