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BMW 540 Forum : “Transmission”

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Doug253blue
10/19/2007, 2:48PM
About: 2000 BMW 540
Transmission

Auto trans on my 2000 540 acting up. Shifting medium to hard--no change. Grandma mode causes confusion for tanny--what geat should I be in--interstate has slight surging a metalic sound that almost has a rythem and sound cycle.  Should I change the tranny fluid? Could this be software? Is it time to sell her?

Thanks

Doug

dlgillespie@trane.com

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littlehorn
10/19/2007, 9:33PM

You might try changing the trans fluid and filter, or having the transmission flushed.  Check condition of the fluid first.  I would probably suggest selling the vehicle as it could also be something major, like a front pump going out, or solenoid packs in the transmission, which can easily run several hundred dollars to replace.  

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