Ford Focus ST 2.5 Turbo Stage 1 ECU Tuning File – CM5A-14C204-ARG (MED17)

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Ford Focus ST 2.5 Turbo Stage 1 ECU Tuning File – CM5A-14C204-ARG (MED17)

  • Thread starter Thread starter Bin
  • Start date Start date
  • Tagged users Tagged users None
Ford Focus ST 2.5 Turbo ECU Tuning File – CM5A-14C204-ARG (MED17)
This Stage 1 remap is built for the Ford Focus ST 2.5 Turbo and targets the Bosch MED17 ECU with software CM5A-14C204-ARG. The calibration improves turbo response and torque curve while maintaining OEM safety limits. Ideal for those seeking a noticeable gain in drivability and midrange punch without requiring hardware upgrades. Checksum verified using OLS807.

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Bin

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A new product by Bin is available: Ford Focus ST 2.5 Turbo Stage 1 ECU Tuning File – CM5A-14C204-ARG (MED17) CM5A-12A650-ARF - Stage 1 tuning file for Ford Focus ST 2.5 Turbo with Bosch MED17 — stronger pull and refined delivery


Ford Focus ST 2.5 Turbo Stage 1 ECU Tuning File – CM5A-14C204-ARG (MED17) CM5A-12A650-ARF

Description​

ParameterValue
Producer:Ford
Series:2.0 STCI
Model:Focus ST
Model Year:2010
Type (Engine):Turbo-Petrol
Displacement:2.5
Gear:6M
Producer (ECU):Bosch
Build (ECU):MED17
ECU-Nr. Prod:BB5A-12B684-AC
ECU-Nr. ECU:CM5A-12A650-ARF
Software:CM5A-14C204-ARG
Checksum:All CS ok, Plugin OLS807 v3.32, Bosch MED17/EDC17
Eprom 8-Bit sum:D6A5
Nested Versions:1 modified version included (Stage 1) + Original for reference
Project Type:Complete binary file
Project Size:393 216 bytes

Dyno-developed for off-road and motorsport use only. End user is responsible for compliance with emission laws in their region.

Extended Product Information​

  • Stage 1 ECU remap for Ford Focus ST 2.5 Turbo with Bosch MED17
  • Boost and ignition maps recalibrated for stronger midrange pull
  • Throttle response improved without affecting low-speed comfort
  • Maintains fuel economy in cruising zones
  • OEM safety limits preserved — no hardware upgrades required
  • Checksum corrected using Plugin OLS807 v3.32 (Bosch MED17/EDC17)
  • Includes original stock binary for backup or comparison
  • Tested in dyno-controlled environment
  • For motorsport/off-road use only — ensure local compliance


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Bin
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