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Thread: 2013 X3 X28i Drivetrain Malfunction

  1. #1
    Join Date
    Jan 2020
    Location
    Portage, IN
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    2
    My Cars
    2013 BMW X3 i28

    2013 X3 X28i Drivetrain Malfunction

    First time BMW owner, and post...

    I bought my wife a 2013 X3 for our anniversary. After driving it for 8K miles, I decided to change the oil/air filter. After replacing the air filter, I noticed that the black wire on the MAF plug was off. My wife drove it, and the start/stop function stopped working. I bought the pins, and had a friend solder them. AFter the, drivetrain malfunction for MAF "A" circuit range - Air flow too low. I replaced the MAF plug, and put the wire in where I believe they went. It has four plugs, yet only 3 wires. Car goes 1 block, and the same error repeats. I took it to a dealer, and they had a shotgun approach, and wanted $4,400 to replace the turbo. Has anyone seen this issue, or have a pinout for the MAF sensor? Any help is appreciated.

    Thanks in Advance,

    Don

  2. #2
    Join Date
    Jan 2020
    Location
    Portage, IN
    Posts
    2
    My Cars
    2013 BMW X3 i28
    I got an ODB detector, and live stats showed that the MAF was working, and .44 gallons of air were detected. So, I am assuming that the MAF sensor works. I guess my question now is why is there still a "permanent" error code on the DTC list of codes?

  3. #3
    Join Date
    Jan 2016
    Location
    Ca
    Posts
    6,981
    My Cars
    2001 525it
    Take it to a good independent BMW shop for another look

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