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  1. #1
    Colin Campbell
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    Repair an automatic transmission?

    I got a call while riding my bike this morning. The 1997 740i's automatic transmission went into failsafe mode (starts in 3rd or maybe 4th gear, 35 mph top speed or something like that), so I had to hurry home so I could drive the (manual transmission) 530i to pick up the girls.

    They drove it to our independent BMW repair shop, and the code reader said that pressure actuator 2 failed. My wife got tired of following someone and floored it. My daughter said, "I couldn't believe the 'Boom' it made!"

    The mechanic is going to see how costly the repair might be, but qualified that with, "There's no guarantee that will make the tranny work again - it's a gamble." If that doesn't work, he knows a place that offers a three year warranty with the rebuilt tranny. I didn't find out how much that would cost....

    We bought this car when it came off a 27 month lease in July, 1999. It was a CPO deal, and the car ate up two transmissions while under the extended warranty. We've been afraid tranny #3 might fail ever since it went in at around 88,000 miles. Now, at around 155,000 miles, it seems to have happened.

    Has anyone had a successful repair, as opposed to a replacement, of their automatic?

    How much has a replacement transmission cost you?

    What are our cars worth these days? (Ours is a silver/gray 740i with only the BMW phone and non-working Nav as options.)

    Thanks!


  2. #2
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    Member No: 78269 claudio512 is an unknown quantity at this point claudio512's Avatar
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    Holy Toledo...





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  3. #3
    Jeff
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    Re: Repair an automatic transmission?

    I going to gander that a 97' would be in the 6-7k range. Of course condition and options are going feed into that. Its a 12 year old car so, there you have it.

  4. #4
    Colin Campbell
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    Update...

    "There is a lot of metal in the pan. I think this transmission is history." ...from our mechanic

  5. #5
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    Metal in the pan is not unusual...

    The system is actually designed to handle some metal particles in the pan. There is a magnet in the pan to collect and control the metal. Now, if there are chunks of metal, that is a very different story.

    Still, your tranny is most likely toast. If you got a noise, Trans Failsave error, and a diagnostics error, then something very bad happened. I have not read of any independent mechanics repairing a ZF transmission-- that is usually something for the specialist shops. The most cost-approrpriate (for the age and value of your car) approach would be to buy a used transmission in good condition and do a replacement. That would probably run under $3,000. It is very unusual that this would be your 3rd dead transmission.
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