Empowering the already almighty S55 engine on the BMW M3 F80 is no easy feat. Good news is a lot can be gained with upgraded parts and a custom #Etuners Stage2 remap, 98RON. Even in hot climates like in the Arabian Gulf and Bahrain in particular during summer.

Upgrade specifications

  • 98RON fuel
  • Upgraded downpipes
  • #Etuners custom Stage2 ECU remap on Bosch MEVD17.2.G, + crackles

Performance results

  • Maximum power at the wheels: 463whp (measured stock at 415.8whp with upgraded parts installed), gains 48whp
  • Maximum torque at the wheels: 509ft*lbs (measured stock at 438ft*lbs), gains 71 ft*lbs

Stock M3 ECU software above.
Etuners Stage2 ECU remap below.

For more information about the BMW remaps that we offer, please visit