JH Motorsports is proud to release our JHM C7 S6-S7 and D4-A8 4.0T - RS7 or RS7-R Turbo  ECU and TCU Software!

 *NOTE: THIS SOFTWARE IS A FREE UPGRADE IF YOU ALREADY OWN JHM STAGE 1 OR 2 ECU/TCU COMBO *

Experience the ultimate in performance with our Stage 3 RS and RS+ performance ECU and TCU software designed to maximize the engine power output of your vehicle equipped with RS7 or RS7-R turbos. Developed and refined by our engineering team over years of daily driving and abuse, our software takes the guesswork out of tuning and provides the most comprehensive and effective solution available.

With our one-and-done solution, all you need is one flashing cable and an internet connection to flash your ECU and TCU with our optimized software. Our transmission tune is specially optimized with a launch control that eliminates massive tire spin and provides consistent launches on street tires and RS7 turbos. You can easily adjust the launch RPM based on your tires, traction, and driving conditions, all backed by our extensive testing and hundreds of test passes performed.

By making an ECU and TCU combination that works together, we were able to deliver unmatched performance for your C7 S6-S7 and D4-A8 4.0T. Our software features an increased engine rev limit of up to 7200 RPM, more aggressive throttle control, increased shifting speeds, and faster clutch clamping with higher clamp loads. You'll also enjoy more assertive shifting in Sport mode and after launching, as well as a variable launch RPM that delivers a more aggressive and consistent launch.

Our software is also designed to refine drive and normal driving shifting dynamics, decrease transmission wear by reducing slipping from faster shifting, raise TQ limiters, and provide a more aggressive torque curve. Plus, you'll enjoy maximum boost for each gear with faster spool, safe EGT management for stock catalyst protection, and a larger range of fuel and ignition adaptation for more power from better fuel. Finally, our ESP/traction control is adjusted to eliminate micro braking due to tire spin, helping to prevent axle breakage when launching.

Upgrade to Stage 3 enjoy the ultimate in power and performance with our Stage 3 RS and RS+ performance ECU and TCU software. Get yours today and experience the difference for yourself!

By making an ECU and TCU combination that works together we were able to do the following for your C7 S6-S7 and D4-A8 4.0T 

• Engine Rev limit increased to 7200 rpm
• More aggressive throttle control
• Increased shifting speeds
• Faster Clutch Clamping with Higher Clamp Loads
• More assertive shifting in Sport mode and after launching
• Variable Launch RPM - 3000 rpm recommended for Stage 3
• More aggressive and consistent Launch
• Refined Drive and normal driving shifting dynamics
• Decreased Transmission wear due to less slipping from faster shifting
• Raised TQ limiters
• More Agressive Torque Curve
• Maximum Boost for each gear with faster spool
• Safe EGT Management for Stock Catalyst Protection keeping your car as safe as possible while maximizing performance - Stage 1
• Larger Range of Fuel Adaptation for More Power from Better Fuel
• Larger Range of Ignition Adaption 
• ESP / traction control adjusted to eliminate micro braking due to tire spin (Helps prevent axle breakage when launching)

AVAILABLE FILES INCLUDED: 

• Stage 3-  w RS7 or RS7-R Turbos and Downpipes 

• Stage 3 w RS7 or RS7-R Turbos,  Downpipes, and with RS7 Controller (91 or 93 octane only) - Larger pump / controller setup needed for E40 and beyond

• Stage 3+ w RS7 or RS7-R Turbos,  Downpipes, and with Aftermarket wastegates - Larger LPFP and controller setup (max effort builds)

Available Fuel Options:

• 91 Octane

• 93 Octane

• 100+ Octane

• E40

• E85 (you must contact us to confirm you have the supporting fuel system mods)

RS7-R Performance Examples on an RS7:

 MODS: JHM RS7-R Turbos, Downpipes and Stock Catback, 91 Octane Fuel - Full Weight

MODS: HM RS7-R Turbos, Downpipes and Stock Catback, 93 Octane Fuel - Full Weight

DISCLAIMER: JHM is now using proven flashing technology in order to get our tunes on our customers' cars in the quickest and most convenient way possible. You will be installing a proprietary JHM software that works ONLY with our flash cable (supplemental software such as Microsoft .net may be required). This program is what allows you to detect your ECU part number, fill in your information, select the correct program based on your hardware and then write JHM Tune to your ECU all through your OBD II port. Both of these programs are highly specific when it comes to configuring your computer to run them properly. While every effort has been made to clearly and completely explain this configuration in our instructions, the customer will ultimately be responsible for removing or disabling their own or third party anti-virus software or firewalls that will block the port required for you to log into our flashing server (see the link to our instructions below to determine whether or not this is something you'll be able to do). Basic technical support provided by JHM to help install these programs on your computer, diagnose programs with your computer, and/or internet connection may be subject to an hourly fee. Additionally, if something happens to your ECU during the flashing process, you should be able to restore it using our software. If you are still unable to make the ECU flash properly, you will be responsible for all costs associated with restoring your ECU and fixing the issue.

Requirements for Tune: 
- Windows computer with at least 1 USB (Universal Serial Bus) port 
- Wired Broadband Internet Connection (wireless can be unreliable) 
- JHM Tuning-Flashing Cable (Flash cable length cannot extend beyond 10 ft long unless a powered USB hub is installed in-line. 
- Battery Charger or equivalent power source capable of sustaining a 40 amp charge