hey I have a 87 325i. Well the thing is that it has a swap on with a 90's block the 2.7 and the 885 head witch is also know as the semi stroker or what not. but my question is that my ecu it has on it now is corrosion and well been looking to get a new one I know it not tha same as the car but has to be the same as the head or block the thing is I don't know exactly witch one I get is it a 90's ecu or 885 ecu?
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