performance auto tuning

135i Performance Engine Software (N55) software flash


Eurocharged BMW 135i ECU Tuning (N55)

Eurocharged Tuned Power Gains +85HP / +100TQ


Eurocharged Stage1 performance engine software (remap) for the N55 135i motor (E82, E83) 2011-2013

Stage-2 refers to the exact same tune, but for a catless downpipe application (same price).

Tune price includes installation

Tune does NOT include dyno testing/results ($150.00 extra)


Optimized for 93 Octane / 98 Ron gas (we can customize for your elevation and gas)


ECU is tuned on the bench at any Eurocharged location or Dealer

  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Factory Safety Limiters Retained
  • Greatest Power and Torque Gains in the Industry, Guaranteed!
  • Optimized Responsiveness and Drivability
  • Optimized Smoothness and Driving Comfort
  • Power Delivery Perfectly Optimized Throughout the Power Band
  • Improved Fuel Efficiency
  • Speed Governor Removed
  • Lower End Hesitation (Lag) Removed


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