The long wait is over. ECUWorx just released an updated MSS5X Binary Modification Tool (V1.5.3) featuring our new Exhaust Backfire Tune for the E46 M3. Head over to our Exhaust Backfire Tune page to download. Special shoutout to Martyn at ECUWorx for making this happen.

Full change log of new MSS5X Binary Modification Tool (V1.5.3):

  • Removed full bin support
  • Added ‘151’ DTC deletion for CSL Clones
  • Added ‘105’ DTC deletion for Motorsport thermostats
  • Added ‘EGT’ temperature adjustment
  • Fixed reporting of warm up lights on CSL 0301/0401 versions
  • Disabled modification of CSL SMG shifting and Inertia on CSL 0301/0401 versions
  • Added Evolve US Stage 1 & Stage 2 Tunes
  • Added Exhaust Backfire by Buildjournal
  • Added ‘easy to use’ license switching to the license maintenance option
  • Added ability to ‘save key to text file’ option
  • Added region (US/Euro) identification
  • Re-signed application with new code signing certificate
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