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Thread: E30 updates and questions

  1. #1
    Join Date
    Nov 2011
    Location
    mcallen TX
    Posts
    47
    My Cars
    2003 BMW 325ci

    E30 updates and questions

    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

    .gerwfrfewaf.jpgIMG_7216.jpg
    Last edited by mgbrv8; 04-16-2018 at 06:47 PM.

  2. #2
    Join Date
    Dec 2005
    Location
    corpus christi, texas
    Posts
    6,738
    My Cars
    No e30s, again :(
    I think one of those wires plugs into the back of the obc and the other end plugs in to something by the ecu. but, its been many many years so hopefully someone can verify
    No e30s again.

  3. #3
    Join Date
    Apr 2015
    Location
    Toronto
    Posts
    492
    My Cars
    e30s
    the stumbling during cold is normal but when it's warm it could be vacuum and it could be a dirty ICV. Clean out the ICV and see if that changes the issue.

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