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Thread: A4S 310R - ?? Transmission difference help!!!

  1. #1
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    A4S 310R - ?? Transmission difference help!!!

    I have a 97 528i and I need to replace the auto trans. I notice there's a difference with the last letters on the trans part number for different build date. Mine was build 10-96. And I find a lot of trans from 97 but they said its for 02-97 build date and up. They are same A4S 310R trans, so what's the difference and what will be the problem if I use a later build date?

    Can anyone please verify if I can use a later build date? Or any A4S310R transmission. 328i also use the same trans. Thank you in advance.

  2. #2
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    You can use the 328 tranny but you will have to modify it because the "switch" is different meaning you will have to use the switch from the old tranny.

  3. #3
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    A4S310R has two oil pans, you can use any 97-98 528i and select 328i with 2 pans.

  4. #4
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    manual transmission?

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  5. #5
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    Quote Originally Posted by E39er09 View Post
    A4S310R has two oil pans, you can use any 97-98 528i and select 328i with 2 pans.
    Can you please verify? I have 97 528i build date 10-96 and the trans is coming from 97 528i build date 02/97. I just wann make sure it will work. Let's keep 328i out of the story. I know they have manual mode switch and 528i doesn't so there's modification there. But 528i is straight no other buttons. I just wanna know if later build will work.

    Thanks guys

    Anybody???
    Last edited by xcelerate; 04-21-2012 at 08:36 AM. Reason: Automerged Doublepost

  6. #6
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    02/97 build date will work. You can verify this by looking for the double oil pan.




  7. #7
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    Quote Originally Posted by E39er09 View Post
    02/97 build date will work. You can verify this by looking for the double oil pan.




    All a4s310r has 2 oil pans but there's like 4 different versions atleast. What are the difference?

  8. #8
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    Some changes are so minor you won't see them, and they are interchangable. Some difference are major (gear ratios, torque converter) and can not be interchanged. *I* do not have a definitive list of what changes happened when with which ID codes. The factory has never released this information.... believe me, I've tried to get it. You are only guaranteed a proper exchange if you use the same transmission code. Yours would be a PF. The donor should be an SC.

    I do not have a crystal ball to predict if it will work or not without totally disassembling and inspecting both units.


    /.randy

  9. #9
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    My 2 cents.

    Quote Originally Posted by xcelerate View Post
    Can you please verify? I have 97 528i build date 10-96 and the trans is coming from 97 528i build date 02/97. I just wann make sure it will work. Let's keep 328i out of the story. I know they have manual mode switch and 528i doesn't so there's modification there. But 528i is straight no other buttons. I just wanna know if later build will work.

    Thanks guys

    Anybody???
    I am going through the exact same deal. I realize this is an old post and you probably have either gotten rid of the car or it’s running. I have a 1997 528i build date 6/96. I got a donor transmission from a 528i with a post or after 1/97 build date. Everyone said it would work. After going through putting it in......it does not. If your car is a 12/96 or before build dat you have to have the same build date transmission. Hope this helps. Best of luck.

  10. #10
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    Having said all that, does anyone have a 1997 528i build date prior to 12/96 transmission they want to get rid of? My car is still broke on the lift. Waiting for a transmission. Thanks to all!

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