Peugeot 508 1.6 HDI – Stage 1

Peugeot 508 comes with the Euro 5 version of 1.6 HDI engines, producing 112hp according to the manufacturer.
It is a very fuel-efficient engine, primarily aimed towards low cost in transportation. However, for the 508 platform it lacks torque and the power curve makes the car very sleepy to drive. What is very good about all 1.6 Hdi engine is that they have excellent power gains even with  a stage 1 ECU remap.
It should be noted that the car still adheres to environmental emissions laws after the remap.

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Upgrade specifications

  • Stage 1 ECU remap, automatic gearbox friendly. OBD reflash.


Performance results

  • Maximum horsepower: 135 hp @ 4100 rpm (measured stock 107 hp), gains 28 Hp
  • Maximum torque: 280 Nm @ 2300rpm (measured stock 255 Nm), gains 25 Nm

Shoutouts to Autospeed!


  • Anders Posted May 24, 2019 11:20 pm

    How About The 508 2.0 diesel 163hp aut. Gear.
    Any experience mapping that model?

    Best regards

    • Stelios Alexandrakis Posted June 16, 2019 11:07 am

      We love the 2.0HDI but you have to be somewhere close to us, or one of our dealers, to get it remapped.
      It gains about 20-25bhp and lots of torque!

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