Of all the tuning products I’ve tried sourced from Europe, UK, USA and locally over the years, the 034 Motorsport experience has been nothing short of exceptional!
Wireless tune in 11 min for ECU, 4 minutes for TCU- and it’s flawless and does EXACTLY what they claim. Transformation personified.
O
Ostler
A must for every S4/S5/SQ5 3.0T
Firstly, prompt delivery and great support by VAG.
Secondly and more importantly, a no brainer upgrade to an already great car. So much bang for buck. Shows how much potential that engine has from factory. The stage 1 ECU tune paired with the stage 2 TCU makes the car hum.
I'm on the 95 octane tune in my S5. Still works as a proper family car in Comfort and completely transformed in Dynamic Sport when I can get some good tarmac to have a play. As it should have from factory.
R
Robert K
Stage 1+
Just updated my 21 S5 Sportback from Stage 1 to Stage 1+ so now sitting around 500HP and 830nm when on E85. I actually run with about 13L of 98 and find it's smoother. I also have the stage 2 TC tune. For an otherwise completely stock layout, this thing is ridiculous! The shifts are now DSG like and the midrange pull through the gears is immense considering no other engine mods. When driving off throttle it behaves like almost stock. I added lowered 034 springs and 034 rear sway bar and what a package. Handles decent and goes like sh!t of a shiny shovel. Cheap to update using proven 034 mods. What are you waiting for S5 owners.
.
A
Andrew Brooks
Holy crackles batman
Had the stage 1 ECU and TCU tune on my S4 for about a month now, and it's definitely woken the car up. Smiles for miles. And the crackles around 5k on decel in second or third... Yeah, it's worth it just for that. Thanks Vagparts/034!
A
A.R.
Transform your B9
I think that the platform really surprises people, the S5 can be a very fast car if you spend a little time and invest the setup and power upgrades from VAGparts and 034. I purchased the Audi S5 with short sprints and hill climb events in mind, plenty of power, AWD a platform with decent development and support from companies like 034. The car in its stock form is nothing to write home about, down on power and a bit of understeer when driven with any real gusto but tune the suspension with the race upper control arms, sway bars, strut braces, and the array of billet parts from 034 and you have an extremely competitive car in the dry and the wet. The Stage 2 Tune is a must in this car so add in the required bolt on’s and you have power and torque to match it with Porsche 911's, time attack Evo’s, WRX’s you name it. Highly recommended.
Flash tune your Audi B9 S4 at home or on the go with '034SPI' mobile app tuning!
034 Motorsport Dynamic+ performance ECU tuning software for your Audi B9/9.5 S4 is simply incredible! Equipped with powerful & responsive EA839 3.0TFSI engine, the additional performance available is nothing short of astounding, with an additional +88 BHP & +268 Nm from the stage 1 tune! Flash tuning from home is simple and easy with your 034 Dynamic+ software.
Upgrading octane files, upgrading stages, logging data or reverting to stock is fast and simple with your 034 software and cable.
A full range of ECU & TCU tuning files are available for a variety of fuels 95, 98 and E85. Stage 1 includes FREE AL552 ZF8 transmission tune to handle the massive torque increase.
034 Motorsport has a rich history with the Audi B8 S4 and they have continued this with the B9 S4, currently holding the stock turbo quarter mile world record! The amount of work that has gone into this vehicle is nothing short of outstanding. Simply unmatched in the market for performance and quality of software engineering.
034 Motorsport software engineers have combined ECU and TCU calibrations for a superior driving experience. All files come packaged together and it is this extra development that distinguishes 034 motorsport from the competition.
034 MOTORSPORT AUDI B9 S4 FIGURES
Stock: 350 HP / 500 Nm Stage 1 95: 397 HP / 665 Nm +165 Nm (includes FREE TCU tune) Stage 1 98: 431 HP / 768 Nm +268 Nm (from a stage 1!) Stage 1 E85: 486 HP / 814 Nm (no hardware modifications required) Stage 1.5 E85: +15 HP / 33 Nm Gain @2,700-4,800RPM over Stg 1 E85 Stage 2 95: 454 HP / 734 Nm Stage 2 98: 476 HP / 780 Nm Stage 2 E85: 510 HP / 835 Nm Stage 3 TTE710: 604 HP & 840 Nm Stage 3 E85: 643 HP & 881 Nm
034 MOTORSPORT AUDI B9 S4 FEATURES
AL552 ZF8: FREE ZF 8 tune with every stage 1 or 2 - included with all files
Stage 1 includes: 95 RON, 98 RON, E85, FREE ZF8 TCU tune & overrun - that is 5 files for the cost of a normal stage 1 tune. This is exceptional value.
FLASH TUNE YOUR S4 FROM HOME
034 Motorsport offer flashing capabilities on multiple devices. Calibrate your vehicle with Windows PC, or the 034SPI Dynamic+ Smartphone Interface for MacOS, iOS mobile devices, and Android devices. Both programs have the same flashing capabilities, but 034SPI allows you to flash tunes wirelessly using the Dynamic+ Flashing Dongle and your mobile device, change fuel maps on the fly, configure live data displays, record and submit data logs to 034Motorsport's Tuning Support team, and utilize diagnostic support tools such as DTC/CEL code read/clear, and more!
Included for FREE is the Dynamic+ Performance TCU Software for the AL552 8-Speed ZF8 transmission! To make the most out of your ECU tune a TCU remap was necessary. 034 Motorsport’s proprietary calibrations for the AL552 TCU safely and effectively raise the torque limits of the ZF8, allowing your car to make use of Stage 1 & 2 Performance Software. These two files work in harmony to produce a superior driving solution.
This free TCU file is unique to 034 and this in itself should save you close to $1,000 compared to any competition.
They have also added a stage 2 TCU file with extra features and benefits.
The 034 Motorsport Dynamic+ ECU tuning software for your Audi B9 S4 is designed to transform your driving experience. Proprietary calibrations for the ECU safely and effectively increase the power output of the turbocharged V6 in a refined manner. The result is a significant improvement in acceleration and throttle response, without any sacrifice in driveability or reliability.
034 Motorsport Engineers developed special in-house tools that allowed direct access to the firmware and maps inside the factory ECU Bosch - MG1, this level of engineering is required to prevent work-arounds and band-aids that many other brands use. 034 Motorsport engineers calibrate the ECU by accessing the source of how the ECU controls the engine by making changes at the base level. This leads to a superior level of software calibration only available from 034 motorsport.
LETS PUT SOME CORN IN (E85)
The E85 calibration is not a flex-fuel style tune. The tune will work with E85 directly from the pump. This tune requires only E85 be pumped into the fuel tank. Gasoline blends and race fuel mixtures should not be used, and engine damage could occur if the incorrect fuel or octane is used. We strongly recommend an ethanol content gauge be used so that you can monitor the actual ethanol content at the pump you are using.
When switching fuels, it takes about 20-30 minutes of normal driving for the new tank of fuel to fully circulate through the system when filled at E. Please minimize load (don’t floor it!) until you have driven the car for at least 30 minutes. Ethanol content analyzers installed close to the fuel rail will also help you see when the ethanol has fully run through the system.
ECU TUNING FEATURES:
Increased Horsepower & Torque Throughout the Powerband
True Launch Control Functionality for Improved Acceleration Times
Available in 95 Octane, 98 Octane & E85 Calibrations
Track-Tested Calibrations Ensure Consistent Power Delivery
Refined Throttle Mapping for Enhanced Throttle Response & Precision. Left Foot Braking Enabled below 5000 RPM
Improved Power Delivery, Acceleration, and Driving Characteristics
Speed Limiter Removed for Increased Top Speed
Crackle Overrun Enabled in Dynamic Mode
Flashed Directly Via the Factory OBD-II Port
034 MOTORSPORT B9 S4 TUNING FIGURES
Nm
BHP GAIN
Nm GAIN
Stock
500 Nm
NA
NA
Stage 1 - 95
665 Nm
99 HP @ 4,100 RPM
172 Nm @ 4,000 RPM
Stage 1 - 98
768 Nm
139 HP @ 4,100 RPM
260 Nm @ 2,500 RPM
Stage 1 - E85
814 Nm
180 HP @ 4,600 RPM
345 Nm @ 2,500 RPM
Stage 2 - 95
734 Nm
143 HP @ 4,600 RPM
239 Nm @ 2,500 RPM
Stage 2 - 98
780 Nm
170 HP @ 4,600 RPM
305 Nm @ 2,500 RPM
Stage 2 - E85
835 Nm
197 HP @ 4,600 RPM
338 Nm @ 2,500 RPM
DYNAMIC+ ECU & TCU FEATURES
TRUE LAUNCH CONTROL
From the factory, conventional launch control strategies are not activated in the ECU. 034 Motorsport’s skilled Calibration team has properly engineered and implemented true launch control functionality to the EA839 and AL552 ZF8. Through OEM Calibration strategies of timing reduction, Boost Control PID optimization, and torque target management, the system is able to allow for a maximum 3k RPM launch targeting 22psi for up to 8 seconds, making for a strong and smooth launch! Unlike the factory ECU that tries to “push through the brakes” on a standing brake launch, the 034Motorsport Dynamic+ calibration will allow proper loading of the engine without pushing through the brakes as hard, and properly targets a specified RPM to launch at.
THERMAL MANAGEMENT SAFETY STRATEGIES
With increased power, comes increased heat. With increased heat, comes the need for additional management. For both charge air temperature and engine coolant temperature, 034Motorsport has implemented key safety features to keep your engine running optimally and safely in virtually any condition - just like the OEM calibration.
Charge Air Temp:When the charge temp exceeds 80*C there is a reduction in power output. When the charge temp exceeds 85*C there is a more significant reduction in power output. This charge temp limitation is there to prevent knock events, which can severely damage a motor. With these safety measures in place, you can confidently drive your car knowing the factory ECU has optimal performance and safety covered..
Coolant Temp/Fan Strategy: 034Motorsport calibrators have rescaled the coolant temperature targets and fan control strategies to target lower coolant temperatures when in higher heat conditions, allowing the car to run within a safe heat range rescaled for the added heat that comes from tuning the engine.
RS-STYLE STARTUP REV ENABLED:
Enjoy a nice start-up rev when turning the car on with our new RS-Style start-up program!
INCREASED POWER AND ACCELERATION DURING SHIFT EVENT:
034Motorsport tuning safely applies more power throughout the shift event, increasing overall acceleration and performance.
AMAX SHIFTING:
AMAX Shifting is a shifting strategy that stands for “Acceleration Maximum.” These gear shifts are the fastest and quickest possible for optimal acceleration . These are activated in shifting after launching your vehicle from a stop using launch control.
AMAX shift points are now optimized for specific RPM setpoints for Pump Gas ECU tunes, and Race Gas/Ethanol ECU tunes. Select the specific TCU file to match your current octane when flashing your TCU!
The S4/S5 has AMAX now activated in the 4>5 and 5>6 shifts where it was previously disabled from the factory. The SQ5 now has AMAX activated in all shifts from 1st through 6th where it was previously disabled from the factory.
ENHANCED CRACKLES IN DYNAMIC MODE:
034Motorsport engineers have enhanced the crackles for maximum auditory pleasure! Crackles can be toggled on or off via Drive Select. They will be on in Dynamic and off in Comfort, giving you the ability to crackle when you want, and cruise quietly when you don't. In Individual, crackles can be toggled on or off via Engine Sound. NOTE: Launch Control Only Works in True Dynamic Mode.
EXHAUST FLAPS PERMANENTLY OPEN IN DYNAMIC MODE:
From the Factory, Audi will open and close the exhaust flaps randomly, even in Dynamic mode. With 034Motorsport tuning, When set to Dynamic, the exhaust valves will now stay constantly open.
FREE REVVING IN NEUTRAL AND PARK:
The rev-limiter is now removed while in Neutral and Park. Impress friends and annoy those around you with limitless ease!
FUEL SYSTEM OPTIMIZATION:
While E85 provides substantial increases in power, it requires about 30% more fuel than standard pump gasoline per ignition cycle. Utilizing a variety of fuel stratified injection strategies, 034Motorsport calibrators have further optimized the factory fueling system to be able to adequately support full E85 on factory hardware for Stage 1 and Stage 2 tunes.
ACCURATE BOOST AND TORQUE REPORTING:
As with anything in life, it is always best to be truthful. This especially applies when it comes to reporting torque outputs in the ECU to the other control modules in the car, as well as displaying accurate boost readings to the driver via the boost gauge found on the Virtual Cockpit. With 034Motorsport Dynamic+ software, the ECU is reporting accurate torque values to critical systems like the TCU to ensure that all safety systems are intact in both control units, and the added torque from tuning is properly adjusted for when driving/shifting, including all safety systems designed to protect the engine and transmission.
START/STOP BUTTON MEMORY
The Dynamic+ Tuning options allow users to set memory for the system based upon preference. If you do not want the Start/Stop system to run, turn it off via the in-cabin button and the car will store that selection even after key cycling the car. This is done in a completely OEM fashion, helping enhance the overall experience of driving your car!
034MOTORSPORT B9 AUDI S4 3.0T STAGE DESCRIPTIONS
STAGE 1 AUDI S4 B9
034 Motorsport Stage 1 Performance Software for the EA839 3.0T engine running pump gas is engineered to safely increase the horsepower and torque with no hardware required. Due to the significant addition of torque from just Stage 1, the 034 Motorsport AL552 ZF8 TCU tune is mandatory to run in parallel with our ECU tuning.
In addition to power improvements, 034Motorsport's engineers spent a significant amount of time refining the throttle mapping in order to provide improved throttle response and allow for more precise throttle modulation and further control of the vehicle when driving on track.
Stage 1 95: 397 HP / 665 Nm +165 Nm Stage 1 98: 431 HP / 768 Nm +268 Nm (from a stage 1!) Stage 1 E85: 486 HP / 814 Nm +300 Nm (no hardware modifications required)
These figures are simply incredible and are the highest on the market, as 034 has spent the most time on this car compared to anyone else.
STAGE 2 AUDI S4 B9
034 Motorsport Stage 2 Performance Software for the EA839 3.0T engine is engineered to further increase horsepower and torque output over Stage 1 levels with the addition of a034 Motorsport Intake System, anUpgraded Intercooler, andan Upgraded High Flow Catted Downpipe. As with all 034 Motorsport calibrations, the proprietary safety calibrations yield additional power from the 3.0T engine without an increase in harm to the factory Engine, Transmission, and Drivetrain. The resulting gains over stage 1 with this added hardware make for an even more profound transformation over Stock or Stage 1!
STAGE 3 TTE710
034 Motorsport Stage 3 Performance Software for the EA839 3.0T equipped with TTE710 Hybrid Turbocharger (running pump gas or ethanol) is engineered to safely increase the horsepower and torque beyond the stock turbocharger. Significant time was spent refining and safely optimizing the TTE710 Turbocharger calibration to ensure unrivaled drivability and uncompromised reliability. While many tuners can achieve great power figures that look impressive on a dyno sheet or a webpage, the key to a truly substantive and transformative software upgrade lies in the strategies employed to make power efficiently and safely.
In addition to power improvements, 034Motorsport's engineers spent a significant amount of time refining the throttle mapping in both Dynamic and Comfort modes to provide improved throttle response and allow for more precise throttle modulation with the addition of a hybrid turbocharger.
UPGRADED HIGH PRESSURE FUEL PUMP (+) ETHANOL
Dynamic+ Stage 1.5, Stage 2.5, and Stage 3 Software are designed to be utilized with an upgraded high pressure fuel pump that offers a 37% larger diameter piston over the factory.
Plus + (.5) files are to be used with uprated HPFP and Ethanol only. There is no gain from standard pump fuel and HPFP.
The Stage 3 E85 Pump file is recommended to have an ethanol content of E60-E85 and is designed to provide the most power possible with higher ethanol contents. This file is suited for those looking to daily drive their vehicle and run E85 from the pump safely without the hassles of mixing.
Receive welcome email(after purchase) with 034 software account and user guide
Plug into OBD2 port and USB port on laptop & take read of stock ECU / TCU
Send 034 stock file details from software (very easy)
Plug back into OB2 port & USB and flash tune your ECU / TCU
Once you have taken the stock read of the ECU you can always flash your car back to stock at any time. You can also flash between stages.
The reading / flashing and software process isnot complicated. Everything is straight forward and anyone who has the computer skills to send an email can do this process.
Initial read time - 10 minutes First flash time - 20 minutes Flash back to stock - 10 minutes Upgrading files (stage 1 to 2) - 5 minutes Flashing between files and stages - 5 minutes
We will create a tuning order for you with head office
We will post you the Dynamic+ tuning cable - Express post only
Please wait and 034 tuning support will send you an account activation email. This contains instructions and links to download the tuning software.
A user manual is available to download from every tuning product page
You then proceed to take a read of your ECU/TCU and flash tune your vehicle
034 will provide direct support for you. You will be able to communicate with the software engineers
Enjoy the transformation of your vehicle
Why purchase 034 Motorsport?
Exceptional quality
Passionate and devoted company
Continual product development
Excellent local and manufacturer support
Extremely reasonable with pricing
Huge selection of supporting products
Superior software calibration
Paypal, zip pay, afterpay, credit and debit
Free express only shipping
30 day money back satisfaction guarantee
SUMAMRY
We believe 034 motorsport ECU and TCU files for the Audi S4 B9 to be the best in the market. We have priced the ECU and TCU files very competitively. You will not find better files on the market.
034 is not done with this vehicle and you can expect new updates for this vehicle just like the B8 S4.
Q: What happens after I order my tuning cable and software?
A: We will EXPRESS post the cable and start a tuning order for you.
How long do I have to wait to receive my tuning download link and username?
From the minute your order is processed on the VAGParts website, you can expect a 1-3 business day fulfillment time to receive your download links and username from the 034 Motorsport tuning team. Please be on the lookout for this email, which will come from the email address "tuning@034motorsport.com"
Q: What is in the introductory email?
A: This is an email from 034Motorsport which includes the username for your account, a link to download the flashing software and the Getting Started user manual.
Q: I haven't got my introductory email
A: You may have to wait 1-3 business days to receive this email from the 034Motorsport team. Please also check your spam, updates, and other email tabs for the email from 034Motorsport. If it still hasn't come after a couple of days please contact VAGPARTS. Please note weekends are not working days.
Q: What do I need to tune my vehicle with a laptop?
A: Windows 10/11 laptop, strong/stable internet connection, Dynamic+ flashing cable, a 20-amp battery supply charger/maintaner, and tuning account access.
I have everything I need what do I do next?
Please download the 034 flashing client if you haven't already, and review the Getting Started guide. You'll need to register your username on 034 Motorsport's server, by inputting your username/email address in the applicable field, and clicking the "Forgot/Reset Password" link. This will send an email to you that will allow you to set your own password, which you'll need to use to log into the flashing client software. Once you are logged into the flashing client, please click on the controller that you wish to program (either ECU - engine, or TCU - transmission) and proceed through the steps listed in the "Getting Started" guide to flash that controller. The files labeled "Stock" are completely OEM software calibrations, as you would have received from the factory, so please only flash these if you wish to go back to stock tuning.
I received an error message stating that "No products are available for this controller", what do I do?
If you receive the error message "No products are available for this controller", please email tuning@034motorsport.com directly, and someone from their tuning support team will advise you on the steps that they will take to get you access to the files that were purchased.
A: This is NOT a difficult process. If you have the ability to open and email and send an email, this is the same level of computer literacy needed.
Q: How long does the flashing process take?
A: The total time to tune the car is around 30 mins. Flashing between files, upgrading and so on once you have done the first installation is a couple of minutes.
I need some technical support. Who do I contact?
Please email tuning@034motorsport.com and a dedicated tuning support representative will help address any concerns or questions you may have.
Q: My car already has a tune on it, how do I remove it?
A: You may need to flash your car back to stock. You can do this by flashing the car to stock using the 034Motorsport flashing portal.
Q: Do I have to flash my ECU and TCU?
A: Yes, these are separate control units and need to be individually flashed.
Q: What is 91 AKI and 93 AKI? RON to AKI?
A: 91AKI is 95 RON and 93 AKI is 98 RON. When flashing select the file appropriate to the fuel octane you are using.
Q: How long do I have to wait for my tuning introductory email?
A: 48 hours or 2 working days
Q: How long do I have for wait for my tuning files?
A: Please allow 72 hours or 3 working days for fulfilment
Q: What is the normal turn around for the entire process?
A: Please allow up to 4 working days
Mobile APP Tuning (034SPI)
Flash tune your vehicle with any mobile or tablet device of your choice!
What device can I use to flash tune my car?
Android auto phone or tablet
Apple phone, tablet or Apple Silicon-equipped laptops (M1, M2, M3).
1. Download your "getting started" flashing user guide 2. Download the "Dynamic+ flash tuning" software 3. Register your user name and password (from tuning introductory email) 4. Sign in to the "Dynamic Flash" software
What's Next?
Plug into your vehicles OBD II port with the 034 flash cable
Open the 034 tuning software
Identify your stock ECU and TCU software box code - upload this via the 034 software
Select your ECU calibration and flash tune your ECU and then TCU
Times for Delivery
From website order to tune introductory email - 48 Hours
From uploaded stock files to order fulfilment - 72 Hours
Normal maximum total time - 4 Business days
What if a file isnt ready yet?
Please contact tuning@034motorsport.com to let them know that a file was not available for your vehicle. A new file will be created and uploaded to the server for you ready for flashing - usually within 72 hours or 3 working days.
My tuning files are ready
The reading / flashing and software process is not complicated. Everything is straight forward and anyone who has the computer skills to send an email can do this process.
Initial read time - 10 minutes First flash time - 20 minutes Flash back to stock - 10 minutes Upgrading files (stage 1 to 2) - 5 minutes
Please run through the user manual and install your ECU file and or TCU files and if for some reason you run into any unexpected issues please email tuning@034motorsport.com
Fuel Ratings
Please note American fuel types use a different fuel rating system AKI.
Of all the tuning products I’ve tried sourced from Europe, UK, USA and locally over the years, the 034 Motorsport experience has been nothing short of exceptional!
Wireless tune in 11 min for ECU, 4 minutes for TCU- and it’s flawless and does EXACTLY what they claim. Transformation personified.
O
Ostler
A must for every S4/S5/SQ5 3.0T
Firstly, prompt delivery and great support by VAG.
Secondly and more importantly, a no brainer upgrade to an already great car. So much bang for buck. Shows how much potential that engine has from factory. The stage 1 ECU tune paired with the stage 2 TCU makes the car hum.
I'm on the 95 octane tune in my S5. Still works as a proper family car in Comfort and completely transformed in Dynamic Sport when I can get some good tarmac to have a play. As it should have from factory.
R
Robert K
Stage 1+
Just updated my 21 S5 Sportback from Stage 1 to Stage 1+ so now sitting around 500HP and 830nm when on E85. I actually run with about 13L of 98 and find it's smoother. I also have the stage 2 TC tune. For an otherwise completely stock layout, this thing is ridiculous! The shifts are now DSG like and the midrange pull through the gears is immense considering no other engine mods. When driving off throttle it behaves like almost stock. I added lowered 034 springs and 034 rear sway bar and what a package. Handles decent and goes like sh!t of a shiny shovel. Cheap to update using proven 034 mods. What are you waiting for S5 owners.
.
A
Andrew Brooks
Holy crackles batman
Had the stage 1 ECU and TCU tune on my S4 for about a month now, and it's definitely woken the car up. Smiles for miles. And the crackles around 5k on decel in second or third... Yeah, it's worth it just for that. Thanks Vagparts/034!
A
A.R.
Transform your B9
I think that the platform really surprises people, the S5 can be a very fast car if you spend a little time and invest the setup and power upgrades from VAGparts and 034. I purchased the Audi S5 with short sprints and hill climb events in mind, plenty of power, AWD a platform with decent development and support from companies like 034. The car in its stock form is nothing to write home about, down on power and a bit of understeer when driven with any real gusto but tune the suspension with the race upper control arms, sway bars, strut braces, and the array of billet parts from 034 and you have an extremely competitive car in the dry and the wet. The Stage 2 Tune is a must in this car so add in the required bolt on’s and you have power and torque to match it with Porsche 911's, time attack Evo’s, WRX’s you name it. Highly recommended.
034Motorsport's Dynamic+ Performance Software provides reliable horsepower and torque increases through driver-centric calibrations that elevate driving enjoyment and precision. The Dynamic+ Tuning Philosophy emphasizes safety and reliability, with the goal of optimizing power delivery without compromising the longevity of the engine and related components.
Developed entirely in-house by 034Motorsport's engineers, Dynamic+ calibrations are the result of countless hours of dyno development and real-world track testing with multiple vehicles and varying environments.
OBD Port Tuning
Dynamic+ Performance Software is loaded directly to your factory Engine Control Unit (ECU) via the factory On-Board Diagnostic (OBD) port using 034Motorsport's Proprietary Dynamic+ Tuning Suite, unlocking more power, more torque, and quicker acceleration! No physical access or modification to the ECU is required, and it can be reverted to the original factory software at any time.
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034 Motorsport Dynamic+ performance ECU tuning software for your Audi B9/9.5 S4 is simply incredible! Equipped with powerful & responsive EA839 3.0TFSI engine, the additional performance available is nothing short of astounding, with an 
