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    swap finished but won't start

    I just finished swapping an m42 out of an e36 into my 91 318i and I was positive I did everything right, but it won't start. It's turning over and it's getting fuel and spark so I'm pretty much stumped. Any suggestions?


    1980 320i
    1991 318is
    1997 328i sport

    #2
    Also all the sensors, intake manifold, wiring, etc. are from the e30


    1980 320i
    1991 318is
    1997 328i sport

    Comment


      #3
      Did you check all your grounds?

      Comment


        #4
        Yeah all grounds are good


        1980 320i
        1991 318is
        1997 328i sport

        Comment


          #5
          Harmonic balancer 180 out
          Originally posted by bmwm42
          PNW vulture pm me for parts
          Strategic nw e30 command

          Comment


            #6
            Originally posted by bmwm42 View Post
            Harmonic balancer 180 out
            ??


            1980 320i
            1991 318is
            1997 328i sport

            Comment


              #7
              how do you know its getting fuel and spark?

              -Alex
              sigpic

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                #8
                I am using the e30 harmonic balancer could that be my problem?


                1980 320i
                1991 318is
                1997 328i sport

                Comment


                  #9
                  Originally posted by e30Rooster View Post
                  how do you know its getting fuel and spark?

                  -Alex
                  because fuel comes out of the fuel line when it's unplugged and I turn the key, and can hear my fuel pump working.. I guess i'm not positive about spark but they are new spark plugs and wires put on properly


                  1980 320i
                  1991 318is
                  1997 328i sport

                  Comment


                    #10
                    You get a new coil? Its probably a spark problem.

                    -Alex
                    sigpic

                    Comment


                      #11
                      I doubt its a spark problem does it act like its going to turn on I think your just getting fuel and spark at opposite times kinda like when you have the dizzy 180 out xcept in this case the harmonic balancer
                      Originally posted by bmwm42
                      PNW vulture pm me for parts
                      Strategic nw e30 command

                      Comment


                        #12
                        Originally posted by e30Rooster View Post
                        You get a new coil? Its probably a spark problem.

                        -Alex
                        These engines have individual coils
                        Originally posted by bmwm42
                        PNW vulture pm me for parts
                        Strategic nw e30 command

                        Comment


                          #13
                          You can test for spark by trying to arc it to some metal to make sure it's sparking.
                          Originally posted by z31maniac
                          I just hate everyone.

                          No need for discretion.

                          Comment


                            #14
                            Originally posted by bkslaughterhouse View Post
                            because fuel comes out of the fuel line when it's unplugged and I turn the key, and can hear my fuel pump working.. I guess i'm not positive about spark but they are new spark plugs and wires put on properly
                            This does not mean the injectors are spraying fuel. It just means the fuel pump is working.

                            Does your check engine light come on when you are cranking?

                            Comment


                              #15
                              Are those batch fire on the injectors?
                              1991 325i MT2 Touring (JDM bro)
                              2016 Ford Flex
                              2011 Audi A3 - wife's other German car

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