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    #46
    Yeah, one of the mechanics suggested to check the TPS for oil. That seems very likely, as it likes to pool there.
    Tenured Automotive Service Professional - Avid BMW Enthusiast

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      #47
      Originally posted by Jordan
      check the TPS
      Just make sure that you use a coversheet. :D

      JK, man. I hope you get this figured out before Sunday!
      Originally posted by Gruelius
      and i do not know what bugg brakes are.

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        #48
        Originally posted by Jordan
        Fred, I can pull to 6940 without any problems at part throttle. (posting from work)
        Check the AFM or TPS.

        '86 325 2.8i stroker - Arctic Blue
        '11 328i Sports Wagon - LeMans Blue
        Strictly Eta

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          #49
          clean the electrical connection at the afm
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            #50
            Someone else has this problem also :x . I have had this problem for a year now. It started out as a random cutting out around 6000rpm and then it gradually got worse until it wouldn't go past 6000 at WOT. At partial throttle it will go all the way to redline.
            I have replaced the following since then and haven't fixed it.
            -New TPS
            -Tested CPS
            -Plugs
            -wires
            -distributer cap
            -rotor
            -tried a different ECU
            -fuel filter
            -octane booster

            None of these fixed the problem. I am thinking now it might be that damn sensor below the throttle body.


            Nick

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              #51
              Originally posted by Jordan
              Need to find the culprit before this weekend meet or I won't be going.
              My ass you're not going... :evil:

              I don't care if I have to smack your silly ass upside the head with a 2 x 4 and throw you in my trunk.

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                #52
                AFM is completely spotless inside and out. Havent tested it yet.

                TPS was well oiled, but tested OK. I cleaned it, and it tested OK again.

                No signs of any air leaks or anything of that sort.

                I cleaned all the connectors to the AFM, and TPS. The TPS one being wet with oil.

                I will remove all the spark plugs, clean them, reinstall, reassemble the engine.. and try again.
                Tenured Automotive Service Professional - Avid BMW Enthusiast

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                  #53
                  I dunno, but maybe check you fuel hose in tank pump if you are runing an aftermarket one.

                  I had a problem with the hose and was doing cut off's, but oh well seems is not you r problem.

                  Maybe your coil? Cap? or maybe the Chip?
                  Euro M3'87 NogaroSilver/Euro E34 M5 '93/Porsche 993 TT 97' Euro/Porsche 993 Carrera 95' Euro/Skyline R33 GT-R

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                    #54
                    I have a spare coil, so I am going to switch that out as well if what I've done tonight solves nothing.

                    I took the spark plugs out, all of them look to be good, working well in there heat range and all that jazz... but what do I know.

                    Pics of the spark plugs #6 on left >>>> #1 on right.


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                      #55
                      Jordan, to be honest, I know I don't have nearly the technical expertise as you, but it sounds to me like an ECU / chip problem. If it is in fact just plain cutting out at 6k, that's at least what it sounds like to me. I could be and probably are totally off, though.

                      I hope you get it fixed.

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                        #56
                        Get a stock chip.

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                          #57
                          im with everyone else, put in a stock chip and see what happens

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                            #58
                            Its not ECU. This sounds like the exact same problem I have. It started out doing it on occasion and then got so it did it all the time. I swapped out the ECU and reset it and no dice.


                            Nick

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                              #59
                              I don't have a stock chip available to use.
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                                #60
                                So I tested and cleaned the TPS.
                                Checked the AFM, looks fine.
                                Looked for air leaks, and probed for leaks with propane. No leaks found.
                                Removed, checked, and cleaned spark plugs.

                                Problem unchanged. :(
                                Tenured Automotive Service Professional - Avid BMW Enthusiast

                                Vapor Honing & E30 ABS Pump Refurbishment Service
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