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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 06-18-2012, 11:20 AM   #1 (permalink)
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Thumbs up VAF to MAF swap

Pilot VAF to MAF converter allows you to convert an existing Volume Air Flow Meter to a Mass Airflow Meter.

I have translate the software and installation manual to english, because a lot of english users ask for it on my email, also there is a hardware difference between russian and english versions- english version has an onboard usb interface and other connectors.

Here is more details about this device
The brains of the conversion is a RISC microcontroller clocked at 12.8-MHz. This device reads the MAF sensor and calculates the equivalent volume of air, scaled to the VAF sensor’s characteristic from a special table of conversion. This calculated volume is then used to create a voltage signal which is sent to the PCM. The system is designed such that the PCM thinks the airflow is being measured by a VAF, necessitating no changes be made to the PCM itself.

The converter supports two operating modes:

1)Simple mode for VAF meters with reference voltage in range of 0-5V

2)Universal mode for VAF meters with reference voltage in range of 0-12V on LE-jetronic and other old style engine management systems.

Also this version of the converter has an additional precision DAC for best perfomance.

The converter has an upgradable firmware future, so if we’ll add some new features to software or firmware you can download and make upgrade for free very easy.

also you can find a lot of installation examples on russian here

If someone interesting in it and have any questions - let me know

Thanks
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