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I want to flush my transfer case/tranny/diff fluids...

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    I want to flush my transfer case/tranny/diff fluids...

    What would you guys recommend for each?

    My iX didn't come with any manuals, so I wasn't sure how many quarts everything takes, and what the recommended fluids to be used were.

    I'm guessing ATF for the tranny? and gear oil for the transfer case & rear diff?
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    #snwmble

    Current:
    '05 BMW M3 - Silver Grey/Imola Red
    '90 BMW 325iX - Sterling Silver/Houndstooth sport(5-speed converted)
    '15 Mini Countryman - Blazing Red/Carbon Black

    Past:
    '01 Audi Allroad - Light Silver/Platinum Saber Black
    '88 BMW 325iX - Diamond Schwarz/Silver sport *Sold*
    '01.5 1.8TQ - Brilliant Black/Nogaro Alcantara ...after 8.5yrs, *Sold* =(
    '90 BMW 325i - Schwarz/Tan sport *Sold*
    '89 BMW 325ix - Diamond Schwarz/Black sport *Sold*

    #2
    iX Driveline oil change.
    >
    > Front differential:
    > Spec: 90W GL-5
    > capacity: 0.75 qt
    > drain/fill plugs: internal (Allen) head, Size ?
    > commonly used after market oil: Redline Synthetic 75W90
    >
    > Rear differential:
    > Spec: 90W GL-5
    > capacity: 1.8 qt
    > drain/fill plugs: internal (Allen) head, Size ?
    > commonly used after market oil: Redline Synthetic 75W90
    >
    > Manual Transmission:
    > Spec: 80W GL-4
    > capacity: 1.4 qt
    > drain/fill plugs: internal (Allen) head, Size 17MM
    > commonly used after market oil: Redline Synthetic MTL (manual
    transmission lubricant)
    >> > AT: 3.2 US quarts/3 liters

    > Transfer case:
    > Spec: ATF
    > capacity: 0.6 qt
    > drain/fill plugs: internal (Allen) head, Size 17MM
    > commonly used after market oil: Redline Synthetic ATF

    Comment


      #3
      For the transfer case, the recommendation is Redline Synthetic ATF: D6 or D4? I am assuming D4, but can someone verify this.
      Thanks.

      Comment


        #4
        Redline ATF D4

        Redline ATF D4 is what you use. D6 is a different spec.

        Comment


          #5
          Thanks!

          Comment


            #6
            also have new crush washers ready
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            Comment


              #7
              Originally posted by ZM Blue Devil View Post
              also have new crush washers ready
              Hadn't thought of that... can I get the size of the crush washers from RealOEM?

              Comment


                #8
                Originally posted by ZM Blue Devil View Post
                also have new crush washers ready
                there aren't crush washers on any of the drivetrain, only the oil pan.
                Build thread

                Bimmerlabs

                Comment


                  #9
                  Originally posted by nando View Post
                  there aren't crush washers on any of the drivetrain, only the oil pan.
                  I like this much better :)
                  Thanks nando!
                  Any recommendations on where to order Redline products from...Jegs? Summit? ...?

                  Comment


                    #10
                    Originally posted by nando View Post
                    there aren't crush washers on any of the drivetrain, only the oil pan.
                    There are crush rings on the transfer case, Front differential, and rear differential.



                    [/SIGPIC]"we are so totally screwed!"

                    Comment


                      #11
                      not on the fill plugs. they're pipe-thread fittings. I've done all 3 of those like 10 times myself. :)
                      Build thread

                      Bimmerlabs

                      Comment


                        #12
                        Interesting, only my fill on my xcase was pipe-threaded.
                        [/SIGPIC]"we are so totally screwed!"

                        Comment


                          #13
                          Anyone know crush washer sizes just in case?

                          Comment


                            #14
                            Xcase drain plug washer size is 18x22 BMW#07119963308
                            [/SIGPIC]"we are so totally screwed!"

                            Comment


                              #15
                              So go to the dealer to get it or is there a standard size?

                              Comment

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