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M20B20 valve clearences?

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    #1

    M20B20 valve clearences?

    hey,

    I have a 320i 1987 but my bentley has no info on it.
    Does anyone know what the valve clearence should be?
    Tags: None
    #2
    I don't have a metric converter on hand, but I adjusted mine to .010 inches while the engine was at ambient.
    Me: "I can't wait to redline my car!"
    Mark: "Didn't you just break a rocker arm?"
    Me: "Yeah, I don't think I've learned my lesson."
    Mark: "You never will."

    Comment

      #3
      BMW E30 3-Series Valve Adjustment (1983-1991) | Pelican Parts DIY Maintenance Article
      http://www.pelicanparts.com/bmw/techarticles/E30-Valve_Adjust/E30-Valve_Adjust.htm
      Stop paying your mechanic to adjust your valves - it's really not that difficult. We'll show you how to on the 3-Series E30 six-cylinder engines.


      hope that helps.

      "The Bentley Manual lists the correct valve clearance at 0.30mm (0.012in) with the engine hot, or 0.25mm (0.010in) with the engine cold. In this case, the engine is cold, so I adjust using a 0.25mm feeler gauge."
      1991 325iC - Mauritsblau sumthin metallic blue. DEAD
      1992 525i - Silber sumthin sumthin metallic- Rolling again, needs suspension/wheels/brakes/paint.... Fuck you A4S310R; BEAT YOU.
      1989 325i - Cirrusblau Metallic sumthin sumthin-project - trying to clean up the interior(done), then the body, then a 5spd, then suspension, then..... - [Stolen :| ]
      1991 325iC - Calypsorot Metallic
      1994 540i - Granitsilber

      Originally posted by scabzzzz
      I've had blunts cock in my mouth, but I'm not gay.

      Comment

        #4
        it's the same for all M20s
        Build thread

        Bimmerlabs

        Comment

          #5
          i ajdusted it to .25 but it sounds like tin can full of nails running around the head. i may have done something wrong or it could be all the crap in the head.

          Comment

            #6
            Noisy valves, when correctly adjusted, will be the result of wear in the valve guides, rockers, cam, or a combination of those.

            Note that clicking from the valves when the engine is cold that disappears once the engine reaches operating temperature is normal for mechanical lifters.
            The car makes it possible, but the driver makes it happen.
            Jim Levie, Huntsville, AL

            Comment

              #7
              "Note that clicking from the valves when the engine is cold that disappears once the engine reaches operating temperature is normal for mechanical lifters. "

              Jlevie = walking encyclopedia on the E30

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                #8
                Originally posted by joshe320i View Post
                i ajdusted it to .25 but it sounds like tin can full of nails running around the head. i may have done something wrong or it could be all the crap in the head.

                0.10 Thousands of an inch..............
                Leave now before I shed my human form and kill you

                Comment

                  #9
                  Originally posted by joshe320i View Post
                  i ajdusted it to .25 but it sounds like tin can full of nails running around the head. i may have done something wrong or it could be all the crap in the head.
                  Metric and Inches are WAY different. .25 is WAY to large of a gap.

                  Comment

                    #10
                    Originally posted by dillsnick View Post
                    Metric and Inches are WAY different. .25 is WAY to large of a gap.

                    So what should it be

                    Comment

                      #11
                      .25mm.. not .25". it's .010" :p
                      Build thread

                      Bimmerlabs

                      Comment

                        #12
                        Originally posted by nando View Post
                        .25mm.. not .25". it's .010" :p

                        sweet as

                        Comment

                          #13
                          have a haynes manuel in the mail right now. I can confirm this from that when it somes in if anyone needs.

                          ps. I suggest getting one, it pretty much covers everything about your specific car. and they are only $25 shipped.
                          i drive a stock EM1

                          Comment

                            #14
                            Originally posted by nando View Post
                            .25mm.. not .25". it's .010" :p
                            1/4" valve clearance
                            Originally posted by Matt-B
                            hey does anyone know anyone who gets upset and makes electronics?

                            Comment

                              #15
                              Originally posted by HunterJohnson View Post
                              have a haynes manuel in the mail right now. I can confirm this from that when it somes in if anyone needs.

                              ps. I suggest getting one, it pretty much covers everything about your specific car. and they are only $25 shipped.
                              I got the haynes manuel for my e34 535is, The info was crap and didnt help much but the bentley is the bomb just wish it had the 320 and the 323.

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