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84 733i Motronic (archive)

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Posted by Bill Buffon on December 26, 1999 at 15:03:59:

I am trying to determine exactly what "vintage" my Motronic is: the reason for this is to see if my unit can be chiped or if
it will require the E-Prom refit first.
TheNumber is 0261 200 008 there is a 78 in smaller numbers to the right of the main numbers. The vehicle production date is 12/83

When I removed the front and back covers from the unit and the 4 screws (2 phillips/2 sloted screws) from the circut boards, neither board was willing to lift out, and given that discretion is the better part of vaLor, I did not try to force them and reinstalled the Motronic.

It appears that I was the first one to open the unit so perhaps it's just stiff, though I am hesitant to pry and force things.
Any information would be most appreciated.

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