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5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

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Old 05-12-2011, 12:06 AM   #1 (permalink)
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M30 MAF sensor help

Hey, I wanted to know what problems will occur if I remove my MAF sensor on my M30 in my E34.
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Old 05-19-2011, 05:55 PM   #2 (permalink)
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car will run like shit or not at all
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Old 05-19-2011, 08:38 PM   #3 (permalink)
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Got to have it to run. That's what measures the airflow. BTW, it's a Air Flow Meter (AFM) (old technology) not a MAF (Mass Air Flow Sensor) New Technology. Two different animals.
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Old 05-20-2011, 02:07 PM   #4 (permalink)
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If you unplug it, it will give a false reading to the ECU and alter the mixture...
If you want to unplug it, then get a diode that you stick in the wiring plug to confuse the ECU ... This tells the ECU that the engine is still "Cold" and fuels it more - giving about +5hp...
But if you want extra power then remap the ECU !!
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