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I will give it a shot, thanks! (EOM) (archive)
[ Follow Ups ] [ 3-series (E30) Message Board ] [ Msg. Board FAQ ]
Posted by Kyle_5r on April 09, 2000 at 15:14:43:

In Reply to: Swap a 535i M30 Air Flow Meter posted by Lee on April 09, 2000 at 14:55:13:

: The volume of air passing thru is indeed larger. Someone contemplating an upgrade to a 2.8 litre engine should swap to a larger airflow meter. Should it be one from a 535? Maybe, but it will also have to be recalibrated, so that the door is at the same angle at high RPM as when in a 535 engine. You understand that a 2.5 doesn’t suck the same volume of air as a 3.5

: Recalibrating the AFM is done simply by loosening or strenghtening the spring that is attached to the flap, under the black plastic cap. Mark your original settings with a white pen before attemting anything. Using an ETM, you can check if the pins are absolutely related between both AFMs.

: Pete McHenry used to install the whole L-Jetronic injection harness and the AFM from a 528i when building a 2,8 l M20 motor.



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