. I think AEM currently offers a plug and play (e36) unit for less than half the MOTEC price but it would not fit inside the OEM box.
And as for the cream rising to the top, well with all due respect to any ad hoc member etc. most of the BMW guys are skeptical about that.
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Good to get data points on the ECU thing, it is clearly a rule nobody is happy with.

On the cream thing, with all due respect to any BMW guy, if you are infering that the BMW guys feel that they are getting penalized for doing a better job, then the facts of the matter, and the process numbers are being completely ignored. As to the SIR, we are all reacting based on one published dyno pull on a poorly running engine.

I can't tell you if the SIR is right or wrong from a sizing point of view, but to state that it is wrong is pure conjecture at this point.