Renault Megane 3 RS 2.0 Turbo Stage 2 (250PS) - Reviews | EMS3xxx

Renault Megane 3 RS 2.0 Turbo Stage 2 (250PS) - Reviews | EMS3xxx
Renault Megane 3 RS — SW RD9A197000000 (EMS3xxx)
Unlock a crisper throttle and stronger mid-range in your 2010 Renault Mégane III RS (250 PS) with this Stage 2 calibration for the Siemens/Continental EMS3xxx ECU.
The file is supplied as a full Kess V2 bench read and fully checksum-corrected; simply flash with any EMS3-capable tool. Developed for owners running free-flow intake/exhaust hardware who still want OEM reliability for daily use. For competition/off-road use only — verify local regulations before installation.

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New Tuning File Available: Renault Megane 3 RS Stage 2 — SW RD9A197000000 (EMS3xxx) ARD9970RD99 - Stage 2 calibration for 2010 Mégane III RS 2.0 Turbo (Siemens EMS3xxx) — checksum-fixed binary, Kess V2 read, flash-ready.

💬 Discussion & Reviews: Renault 2.0 Turbo​


Welcome to the official discussion thread for the Renault 2.0 Turbo tuning package. This calibration is specifically developed for the EMS3xxx ECU and optimized for maximum reliability.

Target Performance: 250 PS / 183.9 kW.

👇 Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!

Extended Product Information​

  • Boost, fuel and ignition tables optimised for stronger mid-range thrust on upgraded intake/exhaust
  • Torque, airflow and speed limiters raised within safe OEM margins
  • Knock control, over-temp and catalyst protections retained for durability
  • Cold-start, idle and cruise maps refined to keep factory-smooth drivability
  • All checksums & CVN corrected (WinOLS 4.7) — flash-ready, no manual patching required
  • Compatible with Kess V2, CMDFlash, Autotuner and other EMS3-series tools
  • For competition/off-road use only — confirm local emissions laws before flashing

➜ Download Tuning File / View Full Specs
 
toxdago said:
Hey, sorry to bother you, but I bought the Stage 2 file for Megane 3 RS ECU Ems3XXX 250hp today. I injected it into my ECU and tested my car, but I didn't notice any difference compared to the original. After comparing the files, there was no difference in Stage 2.
Click to expand...
One moment, I'll check everything now
 
toxdago said:
Hey, sorry to bother you, but I bought the Stage 2 file for Megane 3 RS ECU Ems3XXX 250hp today. I injected it into my ECU and tested my car, but I didn't notice any difference compared to the original. After comparing the files, there was no difference in Stage 2.
Click to expand...
So, according to the analysis, 1245 modification points were identified in the Stage 2 file compared to the Original. Just in case, I've performed a fresh import from the OLS file and have sent you two versions via direct message: one without a checksum and one with the checksum corrected.

There should be no room for error, the project was purchased for €150.
Please verify that you have flashed the correct Stage 2 file and not the Original file by mistake. For a file to be accepted into the EVC reseller database, it must first be fully tested by the initial customer. Please let us know the result of your check.

Reseller-StatusOnly here
Type (Vehicle)Passenger car
Producer (Vehicle)Renault
SeriesMegane 3 RS
Build (Vehicle)
Model2.0 Turbo
Characteristic
Modelyear2010
Motorcode
Type (Engine)
Displacement2.0
Output250.0PS / 183.9kW
Gear
Exhaust standard
Producer (Engine)Engine
Torque
Use
Producer (ECU)Siemens/Continental
Build (ECU)EMS3xxx
ECU-Nr. Prod.ARD9970RD99
ECU-Nr. ECU
SoftwareRD9A197000000
SW-Version
Checksum
Project size178000
Name
Customer number
Licence plate
VIN
Created1/1/1970 (03:00:00)
Changed5/3/2025 (08:17:55)
FileHQ_100050.ols
8-Bit sumF202
Cpu 8-Bit sum0000
Eprom 8-Bit sum0000
Maps0
Versions1 (Original, Stage 2)
Script'able
Created bynicky,RP PC
Modified by
Project type (Project)Binary data
Read hardwareAlientech Kess V2
Project statein development
Map languageEnglish
Linked files0 ()
Project commentPurchased on 5/3/2025 (08:17:55) from the reseller Dyno-chiptuningfiles.com (filename manu-pc_10802.ols) by user account Admin.
Data areas0:
CVN
pot. maps0
Credits15
Project type (Reseller)Tuningfile
DetailsStage 2
Screen_WinOLS_Renault_MeganeRS.webp
 

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