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| Summary of forced induction upgrades | | Summary of forced induction upgrades |
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| ==2048kg/h MAF Sensor switch==
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| [[File:MS43_Mafhack_IDA_430066.PNG |300px|thumb|right|MS43 MAF Sensor Handling in IDA]]
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| When measuring mass airflows higher than 1024kg/h you have to modify the program code of your ECU.
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| '''Modifiying program code is dangerous and should only be done by people who knows how to recover a bricked ECU.'''
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| You have two options to change the MAF limit:
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| '''First way''' is the recommended way, upgrade to firmware version 0110C6 on MS42 or 430069 on MS43
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| '''Second way''' is to apply the patch manually with a HEX editor.
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| Therefor you have to change the bytes listed below according to the software version from "4E" (1024kg/h) to "3E" (2048kg/h) and set the conversion factor in the TunerPro MAF table to "0.03125*X"
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| {|style="text-align:center;"
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| {| class="wikitable" style="text-align:center;"
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| |+ MAF reading limit offset for MS42
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| !Firmware
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| !Location 1
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| !Location 2
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| |-
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| | 011025
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| | 0x3D41B
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| | 0x3D43F
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| |-
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| | 0110AB
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| | 0x71F3D
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| | 0x71F61
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| |-
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| | 0110AD
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| | 0x71F3D
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| | 0x71F61
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| |-
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| | 0110C6
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| | 0x75161
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| | 0x75185
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| |-
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| | 0110C7
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| | 0x75161
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| | 0x75185
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| |-
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| | 0110CA
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| | 0x75161
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| | 0x75185
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| |-
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| |}
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| {| class="wikitable" style="text-align:center;"
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| |+ MAF reading limit offset for MS43
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| !Firmware
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| !Location 1
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| !Location 2
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| |-
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| | 430037
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| | 0x3D719
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| | 0x3D73D
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| |-
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| | 430055
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| | 0x413A3
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| | 0x413C7
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| |-
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| | 430056
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| | 0x3D8A3
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| | 0x3D8C7
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| |-
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| | 430064
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| | 0x3E0E5
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| | 0x3E109
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| |-
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| | 430066
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| | 0x3B4C3
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| | 0x3B4E7
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| |-
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| | 430069
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| | 0x3B4C3
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| | 0x3B4E7
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| |-
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| |}
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| |}
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| ''Either way you have to recalculate the program code checksums inside the 512kByte file even if you use files with deactivated checksums for the calibration area.''
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| ==PMAS HPX MAF Sensor Conversion== | | ==PMAS HPX MAF Sensor Conversion== |
Revision as of 09:12, 13 July 2021
Summary of forced induction upgrades
PMAS HPX MAF Sensor Conversion
- Pin 1 - IAT
- Pin 2 - SIGRTN IAT
- Pin 3 - MAF OUT
- Pin 4 - MAF RTN GND
- Pin 5 - GND
- Pin 6 - VPWR +12V
Pin 3 goes to yellow wire on MS43 harness MAF connector
Pin 4 goes to an external ground on chassis
Pin 5 goes to black wire on MS43 harness MAF connector
Pin 6 goes to red wire on MS43 harness MAF connector
You can use a Bosch 3 pin EV1 Male Connector to make an adapter to plug into the stock harness. An alternative is to use an E46 Camshaft position sensor for the plug. Note the orientation that the connector goes in so you don't mix the connections.
