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M42 from E36 into E30

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    #16
    The thing that worries me is, if I do return this and get a motor from another donor, I may end up with the same issue potentially. Is this corrosion a non-issue since it's behind the o-ring on the block/pump interface, or should I be concerned here?
    1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
    2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

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      #17
      That doesn't look too unusual for an engine that's been sitting- see if you can look in a few other ways. Pop the heater pipe off the back of the head, maybe.

      The M42 never had a plastic oil filter cover, tho- that showed up with the M44,
      and the plastic heater pipe on the back of the head.

      I have 12-94 and 7-95 318's, and both have aluminum oil filter covers.

      t
      now, sometimes I just mess with people. It's more entertaining that way. george graves

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        #18
        Originally posted by TobyB View Post
        That doesn't look too unusual for an engine that's been sitting- see if you can look in a few other ways. Pop the heater pipe off the back of the head, maybe.

        The M42 never had a plastic oil filter cover, tho- that showed up with the M44,
        and the plastic heater pipe on the back of the head.

        I have 12-94 and 7-95 318's, and both have aluminum oil filter covers.

        t
        It's most certainly an M42, it has the front crank sensor and no rear block pipe like the M44. a few of the M42s did get the plastic oil filter housing, not sure when the cross over was, but RealOEM does show both options for the M42.

        All I want to know is, should I not be worried about this corrosion because it's past the seal, or should I return this and look for something better?
        1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
        2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

        Comment


          #19
          If you are okay doing a full reseal and a real cleaning before installing the engine you can certainly run it. However, I would never personally want to buy an engine that has been sitting over one that has been run/pulled recently.

          The corrosion isn't too worrying to me, but the information that the engine seller passed on certain does give me pause.

          Comment


            #20
            Originally posted by roguetoaster View Post
            If you are okay doing a full reseal and a real cleaning before installing the engine you can certainly run it. However, I would never personally want to buy an engine that has been sitting over one that has been run/pulled recently.

            The corrosion isn't too worrying to me, but the information that the engine seller passed on certain does give me pause.
            I'd be doing a full reseal anyway since I have to swap the pan,intake and flywheel.

            What information are you referencing that gives you pause? Sourcing this engine was a pain, and I'd rather not pull a motor from a nice running E36, plus there's no guarantee it's in any better shape with the age of these motors
            Last edited by Gloff; 05-12-2019, 02:38 PM.
            1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
            2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

            Comment


              #21
              Well, engines that are pulled by a wrecker are a complete unknown, and can have serious internal issues. Remember, these cars were likely crashed, possibly quite badly, which can lead to all sorts of problems, or conversely, no issues at all. Whereas, an engine pulled from a recently operable vehicle is likely to be closer to drop in a go sort of shape.

              Either route is fine, and if engines are hard to source where you are you have to take what you can get, just as long as you are fully aware that it may entail more work/cost.

              Let's also remember that there are very few nice E36 318i models at this point, so don't feel too bad about parting one.

              Comment


                #22
                Originally posted by roguetoaster View Post
                Well, engines that are pulled by a wrecker are a complete unknown, and can have serious internal issues. Remember, these cars were likely crashed, possibly quite badly, which can lead to all sorts of problems, or conversely, no issues at all. Whereas, an engine pulled from a recently operable vehicle is likely to be closer to drop in a go sort of shape.

                Either route is fine, and if engines are hard to source where you are you have to take what you can get, just as long as you are fully aware that it may entail more work/cost.

                Let's also remember that there are very few nice E36 318i models at this point, so don't feel too bad about parting one.

                Makes sense, this one looks good and all in all wasn't that expensive, if it's a dud, guess I'll go the part out an E36 to save an E30 route thanks for the help!
                1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
                2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

                Comment


                  #23
                  Took the valve cover off this evening, looks pretty good, rust not withstanding.





















                  1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
                  2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

                  Comment


                    #24
                    Another question too: Are the Oil Filter housings interchangable? I already have a bunch of filters for the aluminum style bolt through filter housing. I see on RealOEM that the outlet uses a "bushing" with two o-rings, and the aluminum style uses one o-ring on a pressed in fitting. Is the plastic style a significant upgrade?
                    1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
                    2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

                    Comment


                      #25
                      Engine looks good!

                      Don't think there is any real value in changing filter canister types, and when it comes to parts diagrams at or near interchange years you really need to verify what's in there before ordering bits.

                      Comment


                        #26
                        Originally posted by roguetoaster View Post
                        Engine looks good!

                        Don't think there is any real value in changing filter canister types, and when it comes to parts diagrams at or near interchange years you really need to verify what's in there before ordering bits.
                        Well I know that the Plastic style has the bushing, and the aluminum does not, I am 99% positive the block is the same and the difference is in the housing itself. I'll probably order parts for both and put on the aluminum one if the block is identical.
                        1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
                        2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

                        Comment


                          #27
                          The filter housings are interchangeable. The only difference is in the round outlet part, with the later style one using multiple o-rings, and the older E30 style one using one.

                          Comment


                            #28
                            Originally posted by bmwman91 View Post
                            The filter housings are interchangeable. The only difference is in the round outlet part, with the later style one using multiple o-rings, and the older E30 style one using one.
                            Aluminum it is then. Thank you!
                            1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
                            2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

                            Comment


                              #29
                              Would you replace the front crank hub? The one one the new engine is lightly scored from the seal, and a new one is $47.

                              Also, the rear main has a kit available with a pre-pressed rear main seal and new carrier. I thought I read something about setting it at a different depth to avoid putting it in the same scoring mark on the crank, how would I go about re-setting the depth if I order the kit? Hope that makes sense.
                              1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
                              2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

                              Comment


                                #30
                                Also, check the parts list, anything I might want to add?

                                11531709157 Water Pipe O Ring
                                11531714738 Water Pipe
                                11142247867 Rear main kit
                                11141439570 front main seal
                                11211721099 front hub
                                11431287541 Dipstick Tube seal
                                11131739592 Upper Pan Gasket
                                11131709815 Lower Pan Gasket
                                11141721919 Upper timing case gaskets kit
                                11141721802 Lower timing case gaskets kit
                                11141247837 Timing case profile gasket
                                12141727220 Cam Sensor O-Ring
                                11421709513 Filter housing O-Ring
                                11421709800 Filter housing gasket
                                11531721218 Thermostat O-ring
                                11510393338 Water Pump (comes with 11531721218 O-Ring)
                                07119904527 Water Pump bolts x3
                                11611717761 Upper manifold gasket
                                11611734684 Lower Manifold gasket
                                11811137076 Engine Mount x2
                                07119915558 Engine mount to block nut x4
                                07119904463 engine mount to block or SubFm washer x4
                                07119963355 Tensioner washer
                                07119963200 Block drain washer
                                07119963200 Temp sender washer rear
                                11222243051 Flywheel bolts x8
                                11211720310 Pilot bearing

                                Ninja edit: I'll be refreshing the trans while it's out, but don't know what it's gonna need until I pull it. Clutch ha 50K miles on it, should be good, but would get ordered if necessary.
                                Last edited by Gloff; 05-13-2019, 10:27 PM.
                                1991 BMW 318i Alpinweiß II Slicktop 231,000 Miles Build date: Wednesday, 1/30/1991
                                2003 BMW Z4 2.5i Sterlinggrau Metallic 112,000 Miles Build Date: Monday 12/9/2002

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