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Silver Label 413 DME with Red Label Chip???

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    #1

    Silver Label 413 DME with Red Label Chip???

    The Main Question:
    Can I use the chip out of a Red Label 413 DME in my Silver Label DME to bypass EWSII and the speed sendor issue?


    The Back Story:

    I recently did and s52 swap with a motor out of a 99 M3 which has the Seimens MS41.1 DME, which is not chippable.

    So for me there was no way to bypass the EWS. I received the motor, harness, DME, and all EWS related accessories. My plan was to intall the motor with the EWS and just have it tucked away under the dash permanantly.

    I wired everything up, go to start it up and apparently something was done wrong since the ECU fried.

    So now I decided to do an OBD1 swap on the motor. I have an OBD1 harness that is modified to fit the S52 and a silver label DME without a chip on its way over to me.

    I just was wordering if I could use the chip out of a red label 413 s50 in the silver label 413 s52 as a base tune to get the motor started and bypass the EWS system and the speed sensor issue I hear of.

    I know the tune on the chip will not be right due to the different injector sizes and displacement, but that would be all addresed when the car gets a dyno tune.

    So essentially all I am asking is are the Red and Silver Label DMEs the same except for the software on the chip?
    Tags: None
    #2
    I'm pretty sure it goes the opposite way. I think you can use a silver label chip (with ews delete) in a red label but you cannot use a red label chip (which doesn't have the ews delete feature) in a silver label DME. The chip has to have the ews programmed out I believe. But I am not an expert I'm sure someone else will be able to tell you for sure.

    '89 Alpine S52 with goodies

    Comment

      #3
      ^^ true to the best of my knowledge, but i too dont claim to be an expert on the topic

      Comment

        #4
        There are plenty of ways to bypass the EWS on MS41.1 (send it to me) and get a nice tune on the MS41.1 (send it to me). I also sell chips for the 413 and 506 ECUs that will get you great, smooth power without the expense of dyno tuning.

        /slick sales pitch

        As for what you're trying to do, it would probably run, but I wouldn't do it. You'd be injecting ~20% too much fuel.

        As a GENERAL rule of thumb, red label ECU's came with non-EWS chips and silver label ECUs came with EWS chips. They are interchangeable. (Although I have never tried putting an EWS chip into a red label ECU and running it in an EWS chassis.)

        Comment

          #5
          i knew for sure the fueling map would be off, my main concern was if the software on the chips was completely different.... i just want a base tune to start it and put it on the dyno and start pulling fuel...

          hopefully the ecu and harness come in tomorrow. they are both out of a 95 m3, but the ecu is sliver label, were there silver label ob1 ecus?

          i am so close to getting this thing going, its killin me, and friday is the deadline since saturday im having some wisdom teeth pulled....

          Comment

            #6
            out of curiousity i did try this before-put a red label 413 stock chip into a silver 413 ecu w/ ews and it did start the car.
            just like with the OP,i did this to move the car while waiting for my proper chip/tune to arrive from TRM(Matt) couple years ago....
            i did an e30 m3/s52 obd1 conversion running a red label ecu w/ the TRM tune and to this day has always worked great :)
            hope this helps and gl on your swap...

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