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Can I swap my 380 ECU for a 173 ECU?

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    Can I swap my 380 ECU for a 173 ECU?

    What's the difference between the 173 ECU and the 380 ECU?

    I may need to replace my ECU, which is a 380, and was wondering if I can use a 173 ECU
    sigpic
    1988 5 spd.Cabrio/Lachs Silber/Black Leather/123k/Dealer Serviced & Maintained by both PO's
    Clarion DXZ785USB HU, BBS Wheels, Leather e-brake handle & e-brake boot, Mtech 1 Wheel, Maplight Mirror, Performance chip, Rear Headrests.
    Previous E30: 1986 5 spd. 325es/Delphin Gray/Black Leather/191k









    #2
    The various DME's for M20B25 engines are all interchangeable.
    The car makes it possible, but the driver makes it happen.
    Jim Levie, Huntsville, AL

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      #3
      Yup the M1.3 DMEs are all interchangeable, iirc the 380 displays more fault codes than a 173 does that is the only difference.

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