Volvo 850 tuning Bosch M4.3 with TunerPro

Volvo 850 Turbo Bosch M4.3 tuning

Volvo 850 ecu tuning Bosch M4.3 using TunerPro xdf.

Volvo 850 Turbo Bosch M4.3 tuning

We are pleased to present you new xdf series for Volvo 850 (engine 2.0L turbo and 2.3L turbo) with engine control unit Bosch M4.3.

Supported vehicles:

  • Volvo 850 T5 2.0L Turbo (B5204T)
  • Volvo 850 T5-R 2.0L Turbo (B5204T)
  • Volvo 850 R 2.3L Turbo (B5234T4)
  • Volvo 850 R 2.3L Turbo (B5234T5)
  • Volvo 850 T5 2.3L Turbo (B5234T)
  • Volvo 850 T5-R 2.3L Turbo (B5234T5)
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Knowledge, experience, calibration studies and bench tests are the starting point for the development of the above mentioned bin definition files (xdf).

A free chiptuning software combined with competitive prices (50 euro) are the milestones of our philosophy.

Through the definition files, the remapping software TunerPro identifies the engine working parameters which allow to obtain the maximum power and torque without affecting the degree of reliability.

Please note: the maps listed may not be present in all vehicles because of the different software update and calibration numbers.


Prices (50 euro) and supported vehicles are available in the main petrol cars bin definition files area.

TunerPro available maps

  • Fuel: injection time, fuel idle, main fuel map.
  • Ignition: spark advance – idle, spark advance – main map, spark advance – warmup, spark advance – knock.
  • Boost: boost pressure, overboost.
  • Air Calculation: air control idle/partial load.
  • RPM Limiter.
volvo 850r tuning ecu bosch m4.3 tunerpro xdf

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