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I have a weird question, obd2 m50b25?

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    #16
    Because, more then likley, he cant use the m52 DME without doing EWS delete which is 200 bucks alone. Dont know about you but i can source all the OBDI stuff from a JY for less then that.
    -Alex

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      #17
      Originally posted by MIKe30 View Post
      Lets say OP has another e30...maybe a daily. Why sell half the motor for $50 when he can put together a complete motor with parts he already has with the only expense of an additional $50 for a used m52 dme. He could throw it in his DD and up the value of the car a grand or $1500.

      Spend $50, receive $900-1400... sounds like a smart investment to me. Just make sure the m52b25 cams are the same as your m50 cams.
      This is EXACTLY why Im asking, and $200 is not much to cough up to turn the car into a DOHC.

      But its no biggie, i figured it wouldnt hurt to ask.

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        #18
        Originally posted by Uber E30 View Post
        Because, more then likley, he cant use the m52 DME without doing EWS delete which is 200 bucks alone. Dont know about you but i can source all the OBDI stuff from a JY for less then that.
        I see what you mean now, but not everyone has access to good yards. I'd still rather use parts that I already have and are already pulled. Instead of me fishing through junk yard's hoping the parts i'm pulling are still in good condition... I found the few trips I took to the yard to be very time consuming.

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          #19
          For what it's worth, I've seen an S50B30 converted to OBD-2. If that works, then updating the M50 to OBD-2 will work as well.

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            #20
            Originally posted by formula driver View Post
            This is EXACTLY why Im asking, and $200 is not much to cough up to turn the car into a DOHC.

            But its no biggie, i figured it wouldnt hurt to ask.
            You're missing the point, spend the 200 and do it the right way.
            -Alex

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              #21
              Originally posted by Uber E30 View Post
              You're missing the point, spend the 200 and do it the right way.
              "right way" would be leaving the proper engine in the car and not swapping anything.

              or it could mean buy all new obd1 sensors - since slapping on used shit is only asking to do it twice.

              to OP it could mean use what he has and adapt the software.

              there are plenty of "right way"s... it's a matter of personal opinion/preference. It'd be like saying "hey uber e30, do your motor the right way and buy an s52 - not bore/stroke your current set up to be an s52"... but we wouldn't say that since you bought my pistons :mrgreen:

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                #22
                Originally posted by Uber E30 View Post
                You're missing the point, spend the 200 and do it the right way.
                youve been helpful, so Im not gonna be a dick.

                When I do the swap on MY e30 (e30 M3) sometime down the road it will be done with an obd1 s52 so get off my back about doin it the right way. Im curious and there is atleast one other person that thinks this is interesting so calm your self.

                Thanks for your help...

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                  #23
                  Do what you want, but I would absolutely never try that.

                  The OBD2 ECU keeps much closer tabs on the crank position, and I don't think it will like having the toothwheel rubber mounted at the end of the crank vs solid mounted in the middle. I don't think the timing is the same either. (That's the big problem, because the toothwheel decoding is hard coded into the MS41)

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                    #24
                    Originally posted by matt View Post
                    Do what you want, but I would absolutely never try that.

                    The OBD2 ECU keeps much closer tabs on the crank position, and I don't think it will like having the toothwheel rubber mounted at the end of the crank vs solid mounted in the middle. I don't think the timing is the same either. (That's the big problem, because the toothwheel decoding is hard coded into the MS41)
                    ten four, I may just sell the m50 for $600. Im glad I asked though, I was curious!

                    btw, I wann build an s52, obd1, cams, injectors, cai, maf, full aa exhaust (headers back), and maybe a few other bolt ons for my e36. I dont have many options for custom sw, as Im in winston salem. Ive thought about it a bit and your one of only few thats close to me and knows there shit. can you give me a quote to custom burn me a chip, w/ dyno runs and testing and all. You can pm if you'd like. Thanks...

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                      #25
                      Originally posted by formula driver View Post
                      ten four, I may just sell the m50 for $600. Im glad I asked though, I was curious!

                      btw, I wann build an s52, obd1, cams, injectors, cai, maf, full aa exhaust (headers back), and maybe a few other bolt ons for my e36. I dont have many options for custom sw, as Im in winston salem. Ive thought about it a bit and your one of only few thats close to me and knows there shit. can you give me a quote to custom burn me a chip, w/ dyno runs and testing and all. You can pm if you'd like. Thanks...
                      You can get a remote custom tune from anybody these days. Get a base tune, hit the dyno, send your dme (or if obd1 - chip) and a/f ratios to tuner, they will modify and ship back.

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                        #26
                        Originally posted by MIKe30 View Post
                        You can get a remote custom tune from anybody these days. Get a base tune, hit the dyno, send your dme (or if obd1 - chip) and a/f ratios to tuner, they will modify and ship back.


                        hmmmm...

                        thats good to know. Saves me a trip to the "A"

                        haha...

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                          #27
                          Originally posted by formula driver View Post
                          youve been helpful, so Im not gonna be a dick.

                          When I do the swap on MY e30 (e30 M3) sometime down the road it will be done with an obd1 s52 so get off my back about doin it the right way. Im curious and there is atleast one other person that thinks this is interesting so calm your self.

                          Thanks for your help...
                          I am perfectly calm, im just saying why spend 200 to use the engine a way its not intended when you can spend 200 and have it be OEM. If there was a gain of some sorts it could be justified, but there isnt. Im sure your s52 will rip, and that was not what was in question. Im simply saying, dont waste your money.

                          Originally posted by MIKe30 View Post
                          there are plenty of "right way"s... it's a matter of personal opinion/preference. It'd be like saying "hey uber e30, do your motor the right way and buy an s52 - not bore/stroke your current set up to be an s52"... but we wouldn't say that since you bought my pistons :mrgreen:
                          I dont think anyone using bigger pistons and crank to gain more power in any engine is using it the wrong way.
                          -Alex

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                            #28
                            Originally posted by Uber E30 View Post
                            I am perfectly calm, im just saying why spend 200 to use the engine a way its not intended when you can spend 200 and have it be OEM. If there was a gain of some sorts it could be justified, but there isnt. Im sure your s52 will rip, and that was not what was in question. Im simply saying, dont waste your money.



                            I dont think anyone using bigger pistons and crank to gain more power in any engine is using it the wrong way.
                            I appreciate the heads up. Thanks alot guys...

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