MED17 Bosch 538253 S-Max 2.0 STCI — Calibration File

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MED17 Bosch 538253 S-Max 2.0 STCI — Calibration File

  • Thread starter Thread starter Bin
  • Start date Start date
  • Tagged users Tagged users None
MED17 Bosch 538253 S-Max 2.0 STCI — Calibration File
Elevate your 2012 Ford S-Max 2.0 STCI to true performance MPV status with this advanced Stage 2 calibration file. The bespoke turbo boost curve delivers instantaneous spool and sustains elevated boost pressure from 2 000 RPM through redline, yielding a 15–20 % increase in peak power while maintaining smooth, controllable delivery under all driving conditions. Injection timing and quantity maps are comprehensively overhauled to optimize atomization and combustion efficiency, resulting in a beautifully linear torque curve, eradicated flat spots, and a crisper throttle feel whether overtaking on the motorway or navigating city streets. Load-based torque and boost limiters are raised within safe OEM limits, unlocking an additional 50 Nm of torque for stronger mid-range pull and effortless acceleration even under full load.

Secondary systems receive targeted refinements: EGR flow parameters are recalibrated to reduce soot buildup, while DPF regeneration thresholds are extended to improve filter longevity without disabling emissions controls. Cold-start enrichment and idle stability maps are refined for smooth, stall-free startups in all climates. Transmission shift maps for the automatic gearbox are retuned to harmonize with the enhanced torque curve, delivering crisp, precise shifts with minimal shock. All calibration data undergoes full checksum correction and has been validated on a professional dynamometer. Installation is seamless via CMD Flash or any bench/OBD tool compatible with Bosch MED17 ECUs, ensuring a reliable upgrade with no compromise on daily usability.

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A new product by Bin is available: MED17 Bosch 538253 S-Max 2.0 STCI — Calibration File 12A650 - Stage 2 map for Ford S-Max 2.0 STCI with ECU-Nr Prod: BG91-14C204-AZB и ECU-Nr ECU: BG91-12A650-AZB unlocks higher peak power and sharper throttle response


MED17 Bosch 538253 S-Max 2.0 STCI — Calibration File 12A650​

Description​

ParameterValue
Producer:Ford
Series:S-Max
Model:2.0 STCI
Model Year:2012
Type (Engine):Turbo-Petrol
Displacement:2.5
Output:240.0 PS / 176.5 kW
Gearbox:automatic transmission
ECU Maker:Bosch
ECU Build:MED17
ECU-Nr Prod:BG91-14C204-AZB
ECU-Nr ECU:BG91-12A650-AZB
Software:538253
SW-Version:DS-AG91-12A650-KA
Eprom 8-Bit sum:1F3C
Nested Versions:1 modified versions included (Stage 2) + Original for reference
Project Type:Complete binary file
Details:st2
Project Size:2 097 152 bytes
Read Hardware:CMD Flash
All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer. Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website. These files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without first confirming mechanical condition. The seller accepts no responsibility for misuse or non-compliant road use.

Extended Product Information​

  • Custom turbo boost curve for instantaneous spool and sustained high-pressure delivery.
  • Revised injection timing and quantity tables for optimal atomization and linear powerband.
  • Load-based torque and boost limiters raised safely for an extra 50 Nm of mid-range pull.
  • EGR flow recalibrated to minimize soot buildup and maintain intake cleanliness.
  • DPF regeneration thresholds extended to improve filter longevity under mixed driving.
  • Cold-start enrichment and idle stability maps refined for smooth startups in varied climates.
  • Automatic gearbox shift maps harmonized with the enhanced torque curve for precise, minimal-shock shifts.


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