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Official distributor for Magicmotorsport tuning equipment for Australia and New Zealand.

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  • GM Group Gen2 Delco ECU Tuning and Remapping Software for Flex Fuel Systems
GM Group Gen2 Delco ECU Tuning and Remapping Software for Flex Fuel Systems
Krishna Maharjan
Tuesday, 04 November 2025 / Published in Flex

GM Group Gen2 Delco ECU Tuning and Remapping Software for Flex Fuel Systems

OBD Programming with Bench Unlock

Get ready for the latest Flex update, version 7.37.0.0, bringing enhanced support for Gen 2 Delco Exx control units from the General Motors group. This update is compatible with Delco models including E41, E46, E88, E90, and E93 (Global A).

The programming procedures are conducted via OBD with Bench Unlock, guaranteeing unmatched stability and safety when interfacing with the control unit.

Thanks to the Flex’s intelligent capabilities, it automatically detects available memory areas for reading and enables options like Read Maps (for calibration areas) or Read Maps & Code (for both calibration and Application SW areas).

Additionally, virtual reads can be swiftly downloaded directly from Magicmotorsport servers, significantly enhancing your working time and efficiency based on file availability.

With this update, Flex expands its compatibility for the next-generation Delco ECUs, and as an exclusive benefit, it provides unlock and writing operations at no extra costs – all included in your subscription!

Some of the Supported Vehicles:

  • Chevrolet Silverado 2500 HD (GMT1HC) 6.6L Duramax V8 451PS

  • GMC Sierra 1500 (GMT1xx) 3.0L Duramax I6 281PS

  • Opel Astra (K) 1.4L Turbo 150PS

  • Chevrolet Silverado 1500 (GMT1xx) 5.3L Ecotec3 V8 360PS

  • GMC Sierra 3500 HD (GMT1HG) 6.6L V8 407PS

For complete details, check all supported vehicles here.

This New Protocol is Available for the Following Software Packages:

  • FLS0.1M – SW Flex ECU (car, van, bike) OBD/Bench Master
  • FLS0.1S – SW Flex ECU (car, van, bike) OBD/Bench Slave
  • FLS0.5M – SW Flex Full Master
  • FLS0.5S – SW Flex Full Slave

Newly Added Protocols:

  • GM Delco E41 MPC5676 – Virtual Read, Read/Write/Checksum Calculation Maps
  • GM Delco E46 MPC5777 – Virtual Read, Read/Write/Checksum Calculation Maps
  • GM Delco E88 MPC5777 – Virtual Read, Read/Write/Checksum Calculation Maps
  • GM Delco E90 MPC5777 – Virtual Read, Read/Write/Checksum Calculation Maps
  • GM Delco E93 MPC5777 – Virtual Read, Read/Write/Checksum Calculation Maps

Writing Time

MAPS ~ 1 minute and 40 seconds, MAPS & CODE ~ 5 minutes.

Reading Time

MAPS ~ 40 minutes, MAPS & CODE ~ 3 hours.

Don’t miss out! This is an {exclusive deal available now}. Upgrade your tuning game with the latest automotive software tools and performance tuning capabilities today!

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