Question about BMW 750

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My 2004 745i sputters around 40 mph. Is is trying to shift into overdrive? Computer problem or transmission problem?

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  • mkelly620 Aug 11, 2008

    If it is a transmission problem, how serious?

  • mkelly620 Aug 11, 2008

    If it is a transmission problem, how serious?

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Its not that serious. you just need to take it to a repair or dealer. They will calibrate the transmission.

Posted on Aug 11, 2008

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It is issue with the transmission ....

Posted on Aug 11, 2008

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1 Answer

Transmission shifts hard


You don't give me much information to work with. However, 1st, look at the engine mounts. You may have a broken mount. This will make it feel like the transmission is shifting hard. Other than that, there is only a few things that will cause this. The speed sensor tells the computer when to shift the shift solenoids. It may not be "seeing" a quality signal. If this is the case, the speedometer will be bouncing too. Last idea is that it is skipping a gear. Starts in 1st, should go to 2nd at about 10 MPH. 3rd at 25 to 30 MPH. And, if you have a Overdrive transmission, it should go into overdrive at around 45 to 55 MPH. If it is skipping 2nd, it will engage 3rd at a high engine speed, and will feel like a sudden slam into gear. If this is true, your transmission needs some work. Hope this all helps. Good Luck.

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Year make and model ?
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Have you checked your transmission fluid level?

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