Can bad VANOS seals cause oil burning?

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  • Roysneon
    R3V Elite
    • Apr 2010
    • 4505
    #1

    Can bad VANOS seals cause oil burning?

    I've got a problem with burning oil in my m50tu. Only happens above 4200 rpm or so at full throttle. Can the oil used to actuate the VANOS leak into the head and get down into the cylinders? If it's just the VANOS seals I'll re do them but if it's the only other logical think I can think of (headgasket) or anything in the bottom end I'll just go bigger and better over the winter.
    For all things 24v, check out Markert Motorworks!
    Originally posted by mbonanni
    I hate modded emtree, I hate modded cawrz, I hate jdm, I hate swag, I hate stanceyolokids, I hate bags (on cars), I hate stuff that is slowz, I hate tires.

    I am a pursit now.
    Tags: None
    • Roysneon
      R3V Elite
      • Apr 2010
      • 4505
      #2
      Also, if it is the VANOS, could I unplug the sylinoid and run it to see if it still smokes to test it?
      For all things 24v, check out Markert Motorworks!
      Originally posted by mbonanni
      I hate modded emtree, I hate modded cawrz, I hate jdm, I hate swag, I hate stanceyolokids, I hate bags (on cars), I hate stuff that is slowz, I hate tires.

      I am a pursit now.

        Comment

        • 10Toes
          Me Father Was A Tree
          • Jan 2008
          • 61222
          #3
          Originally posted by Roysneon
          I've got a problem with burning oil in my m50tu. Only happens above 4200 rpm or so at full throttle. Can the oil used to actuate the VANOS leak into the head and get down into the cylinders? If it's just the VANOS seals I'll re do them but if it's the only other logical think I can think of (headgasket) or anything in the bottom end I'll just go bigger and better over the winter.
          No, it's not your VANOS causing the engine to burn oil.

            Comment

            • Roysneon
              R3V Elite
              • Apr 2010
              • 4505
              #4
              OK. I've never had a VANOS unit off of a car to see how it really worked. I'm the kind of person that has to see something to really get it. Guess I'm going to re evaluate my engine plans and weigh the cost of something newer and more powerful against the cost, effort and results of rebuilding this m50.
              For all things 24v, check out Markert Motorworks!
              Originally posted by mbonanni
              I hate modded emtree, I hate modded cawrz, I hate jdm, I hate swag, I hate stanceyolokids, I hate bags (on cars), I hate stuff that is slowz, I hate tires.

              I am a pursit now.

                Comment

                • e30rapidic
                  R3VLimited
                  • Oct 2003
                  • 2167
                  #5
                  Originally posted by Roysneon
                  OK. I've never had a VANOS unit off of a car to see how it really worked.
                  check out this guy, some great write ups and explanations.

                  Vehicle Systems Solutions
                  http://www.beisansystems.com
                  Automotive System SolutionsBeisan Systems provides class leading Vanos and systems solutions for BMW vehicles. We have been in
                  '87 325ic, powered by S50.

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