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Thread: What type of transmission does a 95 525i have in it?

  1. #1
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    Default What type of transmission does a 95 525i have in it?

    I was reading that it is a GM tranny, is that true?

  2. #2
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    Default

    Quote Originally Posted by thunderman
    I was reading that it is a GM tranny, is that true?
    Yes, the automatic transmission is made by GM in France, it is called the 4L30E in GM speak. BMW calls it the A4S-310R, but it is still a 4L30E.
    Scott
    Wilmington, NC

    01 525iA For Sale
    Coming Soon: 2005 X3 3.0i
    05 Jeep GCL HEMI
    85 318iA SOLD
    96 Jeep GCL SOLD

  3. #3
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    Default even though...

    it doesn't say BMW like the later bmw models with GM trans in em (wonder why??????:^) it mentionl opel

    http://www.gm.com/automotive/gmpower.../apps/4l30.htm

    the heartbeat of america in your e34 (ehhhhhh)
    "..Torchinski v. Peterson that it is legal to carry a concealed weapon, so long the weapon is totally slick like a huge ass machine gun that you carry under a trench coat, like in the Matrix."


  4. #4
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    Default Hmmmmmmmmmm

    So, What does this mean for my "New" '95 525i?

  5. #5
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    Default

    Quote Originally Posted by thunderman
    So, What does this mean for my "New" '95 525i?

    It means you have the GM Transmission, the good, the bad, and the ugly...

    The 4L30E started life as the 3L30 in mechanical form as found in the... you ready for this???? The Chevrolet Chevette and Pontiac T1000. Then, there was a need for an overdrive so, GM added the overdrive to the FRONT of the transmission and didn't bother to tie the two pans together resulting in the 4L30 with two pans. Electronics were added and it became what we know, the 4L30E.

    There are only a couple of real weaknesses in this transmission. Mechanically the hard parts (gears, shafts drums, etc) are really well made and strong. The gaskets (and to a certain extent the bolts) that seal everything are crap. Over time the intermediate housing gaskets (overdrive to pump to main case) harden, buckle and leak causing delayed gear engagement, pendulum shifting and leakage of ATF from the case.

    This is what it looks like:








    Other than that, the transmission works really well in these cars.
    Scott
    Wilmington, NC

    01 525iA For Sale
    Coming Soon: 2005 X3 3.0i
    05 Jeep GCL HEMI
    85 318iA SOLD
    96 Jeep GCL SOLD

  6. #6
    Join Date
    Feb 2004
    Location
    Missouri, USA
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    Default How does that compare to the A4S 310R automatic??

    My Bentley shows the same auto. from '91-'95 in the 525.
    So an A4S 310R is essentially a GM 4L30E?

    If not, what are the differences?

    Thanks.

  7. #7
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    Default

    Quote Originally Posted by MO525
    My Bentley shows the same auto. from '91-'95 in the 525.
    So an A4S 310R is essentially a GM 4L30E?

    If not, what are the differences?

    Thanks.

    From my post above:
    Yes, the automatic transmission is made by GM in France, it is called the 4L30E in GM speak. BMW calls it the A4S-310R, but it is still a 4L30E.
    Scott
    Wilmington, NC

    01 525iA For Sale
    Coming Soon: 2005 X3 3.0i
    05 Jeep GCL HEMI
    85 318iA SOLD
    96 Jeep GCL SOLD

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