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2011 X5 Transmission Light

Christine
in BMW X5 Series Forum

Featured Replies

Hi,

I'm new to the site and my 2011 X5 40d E70 is my first BMW (possible my last). The transmission light comes on. I've had it in the garage and the fault code is 4E9B. The garage have advised that the car needs to go to a gearbox specialist. Any advice would be greatly appreciated ☺️

  • Quote

    Morning Christine

    Welcome to the Forum

    I would be concerned about your garage as the only time I have seen that code was on an X5 with an incorrectly fitted battery (IBS not connected)? First I would point out that I am not a garage just an old engineer with an insatiable need to know 😅 I also have a fully up to-date BMW Diagnostic program and have worked on my own X5's since 2002. Google the register of BMW Specialists you should find one close by

    I would start with the battery, get the Voltage checked at the Charging points under the bonnet. Engine off it should show 12.5v minimum with the engine running 14.5v min. Also check the battery connections in the boot make sure the IBS (small lead) is connected

    Hope this helps

    Dave

  • Quote
    • Author

    Thank you for replying Dave. I have watched a few YouTube clips and Googled everything I can. The battery is something that came up a few times. I spoke to the garage about this and it is going in on Tuesday so they can check the battery before I start spending stupid money. I will let you know how I get on ☺️

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