ECU Tuning File Service
& WinOLS Mappacks

MM RACING provides ECU tuning files, WinOLS mappacks and technical support for tuning professionals. Explore our file services, join our WinOLS reseller database or buy EVC OLSx credits.

Explore ECU File Services

Benefits of ECU Remapping

  1. Improve engine power
  2. Improve engine drivability
  3. More usable torque
  4. Quicker throttle response
  5. Faster turbo response and reduced turbo lag
  6. Calibration matched to your vehicle and intended use

WinOLS Mappacks & Reseller Database

WinOLS reseller database

Create an MM RACING account and enter your EVC customer number (WinOLS ID). A full WinOLS 5 licence and an EVC account are required. After reseller registration, confirm the EVC email and run Miscellaneous > Updates + Registration in WinOLS to access available tuning files, limited mappacks and Super Mappacks. Read the setup and credit guide before ordering.

Create account

Checksum
calculation

We also offer individual checksum calculation for ECU files. Contact us with your ECU details and file to confirm compatibility.

Quality File
Services

OUR STRATEGY & CORE VALUES

Our ECU calibration work considers engine operating conditions and component protection strategies. Contact us with your vehicle, ECU and software details to discuss the available file service.

ECU Calibration and Technical Support

Our calibration workflow combines dyno testing, logged data and analysis to assess vehicle performance.

This moves us forward

Discuss Your Tuning Project

Explore our vehicle performance services or contact us about your ECU file requirements.

Performance configurator