aRacer X Tune3.2.17 - App Store

X Tune APP is aRacer puts the experience in participating of global competitions in the past, providing for new generation ECU for engine adjustment. It is suitable for RC Super X and RC Mini X series ECUs with more user-friendly interface, more convenient to use, and is suitable for holiday track days and daily use. It uses WiFi transmission to complete the adjustment and analysis of the relevant data in a more stable and faster way! In addition, you can also pay to turn on the built-in ECU functions according to the needs of the use, so it is the fun of playing in the engine tuning can be extended infinitely!!
X Tune has more powerful built-in functions including (depending on different sales countries and regions, related functions need to be paid to turn on):

# More powerful adjustment functions:
1. 20x17 (RPM x TPS%) fuel adjustment
2. 20x9 (RPM x TPS%) ignition timing adjustment (paid to upgrade can enable switching of 3 ignition timing MAP)
3. 20x9 (RPM x TPS%) target air-fuel ratio setting (paid to upgrade can enable switching of 3 target air-fuel ratio MAP)

# More powerful AT automatic adjustment function and more accurate & fast actual A/F data feedback through AF2 / AF1:
1. Correct the fuel value% & A/F value in time and record it in the 20x17 fuel MAP
2. The corrected result can be used as a base fuel MAP

# New features:
1. TCS tracking functions:
# The stock is not equipped with TCS, and it can be easily work in rainy and slippery conditions after starting
# The stock is equipped with TCS, can provide 3 levels adjustable
2. 3 levels of fuel correction in stock narrowband O2 sensor
Adjustable injection phase
3. Response Button for power response adjustment. After the upgrade, you can switch 3 target air-fuel & ignition timing MAPs in time
4. Guided idle speed setting
5. Guided quick shift triggered pressure setting
6. New style Backfire / Idle lope control
7. New analysis tools

# Notes:
1. X Tune is only suitable for safe and closed road track, and don’t allow to be used in public road!!
2. After paying to turn on the ECU functions, no refund can be made, because the function has been turned-on in the ECU! Before paying, you can use the trial function to confirm the applicability!
3. The adjustment function may damage the engine, please find a qualified professional technician to adjust it and it is not suitable for general users! Any adjustment causes engine damage and dangerous accidents, the company cannot provide any compensation!

About the details, please refer to: https://www.aracer-speedtek.com/product_d.php?lang=tw&tb=1&id=1770

Version History v3.2.17
Support XMAX 300 (2025) Auto Wind Shield function v3.2.17 Jun 10 v3.2.16
Fixed crash issue of AutoTune v3.2.16 Jun 2 v3.2.15
Fixed AutoTune crash Issue v3.2.15 May 27 v3.2.12
Support SxS platform
Add Tuning risk notice and data use consent v3.2.12 May 21 v3.1.2
Updated language package. v3.1.2 12/18/2025 v3.1.1
Supported RC Super XX ECU v3.1.1 12/15/2025 v3.0.21
Updated eCVT function. v3.0.21 12/03/2025 v.3.0.19
Updated eCVT function
Fixed GPS switch issue v3.0.20 12/03/2025 v3.0.17
Fixed ride mode matrix compatibility issue v3.0.17 11/26/2025 v3.0.16
Fixed possible issue of programing v3.0.16 11/10/2025 v3.0.13
Support new ECU - "RC Mini XX"
Fixed issue of cal. password
Modified some display issue v3.0.15 10/23/2025 v3.0.10
Support new ECU - "RC Mini XX" v3.0.10 10/15/2025 v2.4.4
Replenish and fixed description of malfunction code of MGU. v2.4.4 03/20/2025 v2.4.3 support more Vietnamese v2.4.3 03/05/2025 v2.4.2 Fixed the display issue of diagnostic icon. v2.4.2 01/06/2025 v2.4.1
Modified display issue of mileage maintenance alert function 2.4.1 12/30/2024 v2.4.0
New function: Vehicle maintenance alert
New function: Vehicle AFR evaluation indicator 2.4.0 12/17/2024 v2.3.2
Update new ECU wireless module firmware. 2.3.2 10/01/2024 v2.3.1
Support Super X ECU Auto Warmup function for electronic throttle vehicle 2.3.1 05/23/2024 v2.2.16
fixed for ECU password issue 2.2.16 04/25/2024 v2.2.15
fixed the issue of needed input default ECU password 2.2.15 04/22/2024 V2.2.14
Fixed issue while connect to ECU without calibration password.
Added advise page for productions. 2.2.14 04/19/2024 V2.2.13
1. "Upgrade" page, added "Done" or "Engine Running" alert message after "Manually Update".
2. Support the Super X PRO ECU. 2.2.13 03/13/2024 2024 new feature: R. Button, EXUP, TCS Plus, Power test ...
v2.2.11
1. Fixed ECU Type distinguish problem. 2.2.11 01/15/2024 2024 new feature: R. Button, EXUP, TCS Plus, Power test ...
v2.2.10 Fixed acceleration test report issue 2.2.10 01/10/2024