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Thread: M20B20 Motronic 1.3 Conversion

  1. #1
    Join Date
    Jan 2019
    Location
    Brisbane
    Posts
    1
    My Cars
    1987 325e

    M20B20 Motronic 1.3 Conversion

    What parts are needed to convert a Jetronic M20B20 (320i e30) to Motronic 1.3. I know the ecu and engine harness is needed but I can’t find anywhere what other parts would be needed. The engine has been swapped into a 1987 325e so the car was originally running on motronic (I think).

  2. #2
    Join Date
    Jan 2005
    Location
    Japan
    Posts
    54,655
    My Cars
    11/88 E32 750iL+98 E36M3
    moved to E30 forum
    Shogun tricks and tips for the E32 series are HERE!

  3. #3
    Join Date
    Dec 2005
    Location
    corpus christi, texas
    Posts
    6,738
    My Cars
    No e30s, again :(
    I would imagine all the stuff for just a normal e to I swap. engine, engine harness, ecu, afm, injectors, and probably have to do some little jumpers in the cabin at the c104 like for the e to I swap. I was googling the other day because we did an e to I swap and I had found someone went through the same swap you are doing a number of years ago and I think they were told just act like its an e to I swap and wire that way
    No e30s again.

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