Bilstein Touring - Strut Question...

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  • aworthybrother
    E30 Modder
    • May 2007
    • 899

    #1

    Bilstein Touring - Strut Question...

    I read somewhere that the oil from the strut housing must be drained if strut is being replaced with BILSTEIN SPORT. My question is, do I still have to drain the oil if I am replacing the stock BOGE strut with BILSTEIN TOURING STRUT?

    Thanks in advance.
  • JGood
    R3V OG
    • Jan 2004
    • 7959

    #2
    Originally posted by aworthybrother
    I read somewhere that the oil from the strut housing must be drained if strut is being replaced with BILSTEIN SPORT. My question is, do I still have to drain the oil if I am replacing the stock BOGE strut with BILSTEIN TOURING STRUT?

    Thanks in advance.

    Bilstein tourings are twin-tube like stock, and have firmer valving then stock (more heat build-up) so I'd say you should have oil in there, just like stock.

    The only reason Sports/HD's don't require oil to reduce heat is because they are an inverted mono tube design. The piston is actually within the part of the strut insert that is up near the mount, which is outside of the strut housing.

    So in the below pic, looking at the two strut inserts on the left, the shiny metal tube outside of the yellow tube, normally covered by the blue boot, is what contains the gas, oil, and pistons.


    Last edited by JGood; 07-09-2009, 08:30 AM.
    85 325e m60b44 6 speed / 89 535i
    e30 restoration and V8 swap
    24 Hours of Lemons e30 build

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    • tim88325is
      Wrencher
      • Jul 2008
      • 201

      #3
      JGood, I am sorry, "yes" to draining/removing the oil or replacing/adding new oil for Tourings?

      I am actually doing this exact same swap this afternoon and was going to check with the BMW shop where I get the parts...

      Aworthybrother, the cardinal seats are looking good!!!

      Comment

      • JGood
        R3V OG
        • Jan 2004
        • 7959

        #4
        I meant since the Bilstein Touring strut insert is identical in design to the stock insert, it should have the same install procedure as stock. If stock requires oil, you should probably put oil in. The only reason they say to drain it for sports is because it's a completely different design.
        85 325e m60b44 6 speed / 89 535i
        e30 restoration and V8 swap
        24 Hours of Lemons e30 build

        Comment

        • aworthybrother
          E30 Modder
          • May 2007
          • 899

          #5
          Originally posted by JGood
          I meant since the Bilstein Touring strut insert is identical in design to the stock insert, it should have the same install procedure as stock. If stock requires oil, you should probably put oil in. The only reason they say to drain it for sports is because it's a completely different design.

          Oh, thanks for clarifying. Thought you were saying "Yes" to drain the oil.. I was ready to drain it this weekend :p. I got confused with replies from other forums as well.

          Bimmerforums is the preferred online BMW Forum and community for BMW owners. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm ideas for the future.

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          • JGood
            R3V OG
            • Jan 2004
            • 7959

            #6
            Originally posted by aworthybrother
            Oh, thanks for clarifying. Thought you were saying "Yes" to drain the oil.. I was ready to drain it this weekend :p. I got confused with replies from other forums as well.

            http://forums.bimmerforums.com/forum...+touring+class

            Yeah I dicked that post up pretty good. I'll edit it.
            85 325e m60b44 6 speed / 89 535i
            e30 restoration and V8 swap
            24 Hours of Lemons e30 build

            Comment

            • tim88325is
              Wrencher
              • Jul 2008
              • 201

              #7
              Just to further clarify the final answer, my BMW parts guy said "no oil"...

              Comment

              • aworthybrother
                E30 Modder
                • May 2007
                • 899

                #8
                As per the link I posted above from bimmerforums, the guy who called bav auto said the same thing - No Oil.

                another similar discussion that says No Oil.

                Last edited by aworthybrother; 07-09-2009, 01:52 PM.

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