CHIP TUNING · MCLAREN

McLaren chip tuning with Softechpro V5

Softechpro V5 supports the full range of McLaren engine ECUs — diesel and petrol, OBD-flashable and bench-mode — covering DTC OFF, EGR OFF, DPF OFF, AdBlue OFF, Catalyst OFF, and Stage 1 / 2 / 3 tuning. Off-road and motorsport use only.

McLaren ECU families supported

Common ECU families found across McLaren 570S · 720S · 765LT engines:

Custom Bosch MED17 variants

Softechpro identifies the firmware revision automatically when you drop the McLaren .bin / .ori / .hex / .s19 / .frf onto the workspace. Bench-mode files (MG1 / MD1 / MEDC17) are decrypted in place.

Services available for McLaren

DTC OFF EGR OFF DPF OFF AdBlue OFF Catalyst OFF Stage 1 / 2 / 3 IMMO OFF Pop & Bang

Each service patches the calibration directly in the bin file. The Softechpro patcher then recomputes the McLaren-specific checksum (Bosch CRC for EDC15/16/17, Delphi sum, Siemens hash) so the file flashes back without integrity failure.

How to tune a McLaren ECU with Softechpro V5

  1. Read out the McLaren ECU via OBD or bench (KESS3, AutoTuner, MPPS, Trasdata, Flex, FRF flasher).
  2. Open Softechpro V5 and drop the .bin onto the workspace. Softechpro auto-identifies the McLaren ECU family from the header / signature.
  3. Pick the service you need — DPF OFF, EGR OFF, AdBlue OFF, Stage 1-3, etc.
  4. Hit Save patched .bin. The checksum is recomputed automatically.
  5. Flash the patched file back via your existing flasher. McLaren adaptation reset may be needed via the OEM scan tool.

McLaren models in our catalog

540C 3.8 BiTurbo570GT 3.8 BiTurbo570LT 3.8 BiTurbo570S 3.8 BiTurbo600LT 3.8 BiTurbo625C 3.8 BiTurbo650S 3.8 BiTurbo675LT 3.8 BiTurbo720S 4.0 BiTurboGT 4.0 BiTurbo

Full vehicle catalog at /vehicles/mclaren with model + engine + ECU cross-reference.

Other brands supported by Softechpro