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Thread: transmission odd shifting

  1. #1
    Join Date
    Dec 2017
    Location
    Iowa
    Posts
    45
    My Cars
    2001 740IL

    transmission odd shifting

    Hello all! I am happy to join back! I have just bought a 2001 740il from my father who took great care of this car. I have and issue that has recently shown up. its cold here in Iowa, I first noticed this leaving work 2 days ago. As I pulled out of our lot under normal acceleration first gear (of course already in) no issue second gear didn't seem to rev between gears but did shift hard then almost felt like it didn't engage fully then re-shifted and was fine after that I also had the same issue halfway to work yesterday and hasnt done it yet today. Any ideas? Also I should mention my dad had the transmission serviced pan down and cleaned but he does not recall everything that had been done he thinks it was about 50,000 miles ago car also has 194,458 original miles on it.

  2. #2
    Join Date
    Jan 2017
    Location
    North Carolina coast
    Posts
    297
    My Cars
    2001 740iL Prod 4/2000
    Suggest servicing the trans with a new Filtran filter and Lifeguard 5 fluid, see how she behaves. Probably add a tube of Shudder Fixx while you're at it.

    Congrats on the new ride!

  3. #3
    Join Date
    Dec 2017
    Location
    Iowa
    Posts
    45
    My Cars
    2001 740IL
    Thank you for the advice I will do this here soon. I appreciate the help. however could it be my torque converter as I now have a whining sound when I start her up. I cannot hear it from inside the car but when I get out I can hear it.

  4. #4
    Join Date
    May 2010
    Location
    East Bay Area, CA
    Posts
    1,746
    My Cars
    01 Dinan 740iS, 97 318ti
    Does the sound go away after the car warms up? If so, you're low on transmission fluid. Otherwise, the shop didn't use a Filtran filter and it's collapsing under the pressure.
    Last edited by 740iSport303; 12-07-2017 at 11:42 AM.
    '01 740i Sport MKIV, Quad Brake Lights, OEM Bi-Xenon retrofit, LED Angel Eyes, HID Fogs, LED License Plate Lights, Dinan 7 certification, BM53 radio, OEM Sirius, Aux Input, TCU Bluetooth, Intravee II, iPod, Strong Strut, Dinan Struts, Springs, Camber Plates, Intake, MAF, CAI, Exhaust and Throttle Body

    '97 318ti Alpine White; '97 318ti Boston Green; '96 318ti Alaska Blue; '08 X5 4.8i Titanium Silver
    '84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black(sold)

  5. #5
    Join Date
    Dec 2017
    Location
    Iowa
    Posts
    45
    My Cars
    2001 740IL
    Hey just wanted to thank all of you as of Friday of last week I had my precious car back in my hands. My dad had taken the 740il to have the trans gone through replaced fluid at 150,000(ish) miles car now has 197,492 miles turns out we are very very lucky as the transmission had two quarts too low. I am thanking god that the trans is still in perfect working order and car did not throw any codes! We now go to a master bmw mechanic that my dad used to do buisness with in Sioux Falls SD. The only reason he went to the other mechanic was because I worked there and we became pretty close to the owner. After a while of having dieters German auto garage it got way too expensive, I am not over exaggerating that. Dieter was an honest fellow but was in love with keeping thing too long and charging the ever living crap out of his customers( hence why I left). Anyways just thought Id let you all in on what was wrong. Also dieters son was the one who worked on it which kind of explains a lot as his son was a major alcoholic. Happy Holidays/Merry Christmas to you all!

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