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Thread: 545i shift rough 2-1st and 4-5 harsh shift.

  1. #1
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    545i shift rough 2-1st and 4-5 harsh shift.

    Just purchased a 2005 BMW 545i for my daughter car has 128k and has been serviced by local BMW dealership it's entire life. I had it at the shop today for trans shifting issue and their fix is new transmission which was quoted at $6700. Been reading forums on known issues and this seems to be a known issue and most people say replace metronocs and some say just replace seloniods. Could I get a little feed back.

  2. #2
    Pelican Parts's Avatar
    Pelican Parts is offline Senior Member Supporting Vendor
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    Hello and welcome to the forum! Before spending any money, I would suggest doing a diagnostic with INPA; this should give you an idea of the extent of the damage on the trans. Did the shop do this already?
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  3. #3
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    Quote Originally Posted by Pelican Parts View Post
    Hello and welcome to the forum! Before spending any money, I would suggest doing a diagnostic with INPA; this should give you an idea of the extent of the damage on the trans. Did the shop do this already?

    Yes the dealership said no codes, trans was a little low but had same issue after fluid was added. The only suggested replacing transmission.

  4. #4
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    The big question what are the adaptation numbers in clutches any over 300 not good. It could be seals between the valve body and the case, but if the numbers are to high, it still may act up after replacing the seals.

  5. #5
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    I ordered the bactavian technic software and cable would I be able to see the adaptation numbers with that ?

  6. #6
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    I don't know we have autologic and ista

  7. #7
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    2004 E60 545i
    Whole tranny replacement is likely overkill, try resetting adaptations first if no fix replace fluid and filterpan then there this:
    http://www.bimmerfest.com/forums/sho...d.php?t=654634

    replacing solenoids or the whole Mechatronics unit is a lot cheaper and will,fix most if not all,issues....
    lots of threads on this on various bmw forums.
    hope this helps
    ">'85 Mlite E30, '98 E36, 1998 528i, 5 spd manual, black on black, sold in 2012 and still going past 350Kkms, now MYSTIC Blue 2004 545i, 6 spd Steptr., Adaptive steering and Xenons, Anti dazzle mirrors. Aux+Belt-Chime+Dig speedo+iDrive discl. 2007 TCU+BT Coded+Sure BT Board

  8. #8
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    Depends what the adaption numbers are

  9. #9
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    Well I started the valve body rebuild replacing everything, zip kit, seloniods seperator plate and goimg
    to reset transmission when complete.

  10. #10
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    Update: Rebuilt valve body, new seloniods, Sonnax Zip kit, plus new fluids filter. And it shifts great no more hard upshit 1-2 or down shift 2-1. Also learned the biggest problem is the valve body accumulator rubber plunger fails this causes the hard 1-2 upshit vise versa. Sonnax fixes that and supplies replacement. Springs instead of rubber plungers. May take 3-4 weeks for the shifting to get perfectly smooth after reset but definitely 100% better already.

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