Cheap Maf sensor conversion

Author Topic: Cheap Maf sensor conversion  (Read 17453 times)

psyyambmw

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« Reply #15 on: March 26, 2008, 01:26:03 AM »
Umm!  Can’t believe it gonna be that tough  :eek:

I'm just curious. Is it possible to do an m44 maf swap what else need to be done exept the mounting? :confused:

bmwman91

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Cheap Maf sensor conversion
« Reply #16 on: March 26, 2008, 10:53:39 PM »
Quote from: psyyambmw;45501
Umm!  Can’t believe it gonna be that tough  :eek:

I'm just curious. Is it possible to do an m44 maf swap what else need to be done exept the mounting? :confused:


On this motor anyway, it is a difficult process.  The MAF sensor and our stock VAM sensor work on completely different principles and our ECU is designed to work with each one in a specific way based upon the air temperature.  Sticking an M44 MAF on there would lead to awful running and would basically not work without proper conditioning and converting from a mass-based output to a volume-based output via ambient temperature measurements.

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psyyambmw

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« Reply #17 on: March 27, 2008, 01:58:51 AM »
So if I pulling out all engine wiring harness + ECU out off the M44. With some modification, may be some adapter, some re-mounting, some re-wiring, can I put them in the M42 and run w/ M44 MAF?

Is it possible????

ApocolypseAutoEngineering

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« Reply #18 on: March 27, 2008, 05:22:14 AM »
If its an e30, no it has no knock sensor.

E30 FOR LIFE!!!!

bmwman91

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« Reply #19 on: March 27, 2008, 08:23:38 AM »
I do not think that the M44 ECU can be used with the M42.  There were a number of differences between the two motors that would make this very difficult.  For that much trouble you may as well go with a Megasquirt or other stand-alone ECU and ditch the air meters completely.

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psyyambmw

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« Reply #20 on: March 28, 2008, 03:22:10 AM »
Oh dear friends, so your so called, "version 5" is my only hope. Go finish it, I will buy one. :cool:

Best regards,

George

yoyon

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Cheap Maf sensor conversion
« Reply #21 on: August 27, 2010, 10:44:43 AM »
Any updates for this thread??