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Thread: the plot thickens

  1. #1
    Join Date
    Dec 2018
    Location
    Yuba City CA
    Posts
    2
    My Cars
    2003 325i e46

    the plot thickens

    I tried to figure out how to delete my original question concerning the three transmission codes so I'm not cluttering up the page but couldn't figure it out. So I've got 3 tranny codes p0700 p0721 p1732 and the transmission won't engage. Towed the car home and just today got time to dig into it. Background on the car is that it's a 2003 325i with about 130k miles, has been maintained well and has been absolutely bulletproof. Never leaked oil, never any problems other than typical maintenance issues. So as soon as I got it on ramps a good amount of oil spilled out from the guard protecting the motor. Checked oil and it's pretty completely off the stick. Oil was checked about 2 weeks prior to problem and it was fine. So, the tranny codes, the tranny slipping so severely that it won't engage and a really bad engine oil leak. What could cause all of those at the same time? It can't all be a coincidence. If it matters, engine never got hot and coolant level is fine. I'm sure Ill have to get it in a shop but just hoping somebody can give me a likely cause of all this - it seems really strange to me.

  2. #2
    Join Date
    Mar 2015
    Location
    west chicago il
    Posts
    509
    My Cars
    01 E46 330i 5sp man spor
    Maybe it is a transmission fluid leak. There are lines running to the transmission cooler under the expansion tank. Original transmission fluid is not red. It is similar in color to engine oil.

    Sent from my SAMSUNG-SM-G870A using Tapatalk

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