BMW X5 E70 Siemens MSV80 ECU Chip Tuning Guide

A BMW X5 E70 3.0L 2008 model year with a burning on the dashboard, the CHECK ENGINE indicator flashes and failures:

  • 29F4 – Catalytic-converter conversion
  • 29F5 – Catalytic-converter conversion (Bank 2)

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Poor performance of the catalyst, decided to cure a dynamic version of the firmware.

 

How was the process of chip tuning BMW X5 E70 3.0L

The engine in this vehicle control unit controls the Siemens MSV80 . For reading and writing of EEPROM unit used KESS V2 master ecu programmer , which work indiscriminately passed ECU through the vehicle diagnostic connector.

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The process is not fast, so be sure to connect the charger.

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KESS V2 connect to the car.

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Read the firmware of ECU.

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And records the dynamic version of the software, with a fall in the rate of toxicity.

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  • firmware version is optimized for standards Euro2
  • allows the complete removal of the catalyst and a second oxygen sensor
  • reduced opening temperature of the thermostat at partial loads, from 110 to 100 degrees Celsius
  • turns off the fuel supply of 7200 rev / min
  • maximum power increased from 272 kW to 305 kW
  • Torque increased from 315 Nm to 353 Nm

Ktag Master V6.070 Plus V2.35 Kess V2 With Unlimited Token ECU Programmer Plus Professional DPF+EGR Remover 3.0

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About eobd21

I am a car lover and like to repair car by myself, and know more info about car diagnostic tool and other obd2 tools, share these info with everyone.
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