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034Motorsport B9/B9.5 Audi S4/S5/SQ5 EA839 3.0T Dynamic+ Performance ECU & AL552 ZF8 Transmission Tuning Bundle
$850.00 – $2,100.00
034Motorsport Dynamic+ Performance Software for the Audi B9/B9.5 S4, S5, & SQ5 equipped with the EA839 3.0TFSI engine and Dynamic+ TCU Software Upgrade for AL552 ZF8 Transmission.
034Motorsport EA839 3.0T ECU and TCU tunes are flashed directly through the factory OBD-II port using the 034Motorsport Dynamic+ End User Flashing Kit, and offer dramatic increases in horsepower and torque throughout the powerband.
Included at no extra cost is the Stage 1 Dynamic+ Performance TCU Software for B9 Audi S4, S5, or SQ5 models equipped with the AL552 8-Speed ZF8 transmission. At an extra cost, upgrade to the Stage 2 TCU Tuning to further enhance the shifting and acceleration of your ZF8 Equipped 3.0T! Flashed directly through your vehicle’s OBD-II port, 034Motorsport’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 or Stage 2 Performance Software.
034Motorsport Dynamic+ Tuning for EA839 with Upgraded TTE710 Hybrid Turbocharger is available to dramatically improve the acceleration performance and power output of your B9 S4, S5, or SQ5. Dynamic+ Stage 3 Tuning will allow you to give those unsuspecting tuned Mustangs, Supras, or super cars a run for their money, ending a nice view of their headlights in your rearview mirror.
Stock: 350 HP / 391 TQ
Stage 1 91: 397 HP / 491 TQ
Stage 1 93: 431 HP / 567 TQ
Stage 1 E85: 486 HP / 601 TQ
Stage 2 91: 454 HP / 542 TQ
Stage 2 93: 476 HP / 576 TQ
Stage 2 E85: 510 HP / 616 TQ
Stage 3 91: 528 HP / 553 TQ
Stage 3 93: 604 HP / 620 TQ
Stage 3 MS109/260GT+: 693 HP / 685 TQ
Stage 3 E60 Mix: 720 HP / 720 TQ
Stage 3 E85 Pump: 643 HP / 650 TQ
The 034Motorsport Dynamic+ Stage 1, Stage 2, and Stage 3 TTE710 Tuning Software for Audi B9/B9.5 S4/S5/SQ5 equipped with the EA839 3.0T V6 engine is designed to transform the driving experience of your vehicle! Flashed directly through your vehicle’s OBD-II port, 034Motorsport’s 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.
034Motorsport B9 Audi S4/S5/SQ5 EA839 3.0T Dynamic+ Performance Software was developed entirely in-house on 034Motorsport’s Development B9 S4, and B9 SQ5. The calibrations were then refined on multiple enthusiast-owned beta tester cars around North America.
Included at no extra cost is the Stage 1 Dynamic+ Performance TCU Software for B9 Audi S4, S5, or SQ5 models equipped with the AL552 8-Speed ZF8 transmission. At an extra cost, upgrade to the Stage 2 TCU Tuning to further enhance the shifting and acceleration of your ZF8 Equipped 3.0T! Flashed directly through your vehicle’s OBD-II port, 034Motorsport’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, Stage 2, and Stage 3 TTE710 Performance Software.
034Motorsport engineers develop special in-house tools that allow us to access the firmware and maps inside the factory ECU, this level of engineering is required to prevent workarounds and bandaids that many aftermarket companies resort to. 034Motorsport engineers and optimizes the ECU calibrations just like Audi engineers would, but accessing the source of how the ECU controls the engine and making changes at the base level.
This is the ONLY way 034Motorsport can ensure our calibrations meet our high standards for ultimate power with smooth drivability, perfect function, reliability and added functions and features even beyond what the factory programming can provide.
NOTE: The E85 calibration is not a flex-fuel style tune. The tune will work with E85 directly from the pump, both summer and winter blends (ethanol content can vary from E60-E85). 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.
Why is AL552 ZF8 TCU Software necessary on the EA839 3.0T?
As with any automatic transmission vehicle, the ECU and TCU computers work synchronously to properly apply torque to the vehicles drivetrain in a safe and reliable manner. Within both the ECU and TCU, there are factory safety tables that limit overall torque output based upon what the factory first tuned the car for. The ECU reports the output of torque from the engine to the TCU, and the TCU decides if this is suitable, or too much. If it is too much, the TCU will command the ECU to reduce torque output based upon its safety tables.
034Motorsport takes a holistic approach with its Dynamic+ tuning, and aims to retain as many OEM safety protocols as possible. While it is possible to tune around the factory TCU torque limiters from the ECU side, this is done at the expense of torque safety features that are integral in keeping your transmission running safely. 034Motorsport’s calibrators tune the ECU to work with the TCU to provide accurate torque values, and recalibrate the appropriate safety ranges for the TCU. Taking these extra steps to retain OEM safety systems on the ECU and TCU side is just one of the many reasons that Dynamic+ software provides substantial yet reliable performance increases.
We are happy to provide our Stage 1 Dynamic+ TCU tuning at no additional cost ($150 value) to the customer in order to ensure that you are maximizing the performance and reliability of your 3.0T equipped vehicle!
ECU Software Features:
034MOTORSPORT EA839 3.0T TURBOCHARGED PERFORMANCE SOFTWARE COMPARISON:
|Stage||Fuel||Max HP||Max TQ||Max HP Gain||Max TQ Gain||Rev Limiter*||Speed Limiter|
|Stock||91 Oct (AKI)||350 HP||391 TQ||NA||NA||6,500 RPM||150 MPH|
|Stage 1||91 Oct (AKI)||397 HP||491 TQ||99 HP @ 4,100 RPM||127 TQ @ 4,000 RPM||6,500 RPM||∞|
|Stage 1||93 Oct (AKI)||431 HP||567 TQ||139 HP @ 4,100 RPM||192 TQ @ 2,500 RPM||6,500 RPM||∞|
|Stage 1||E85 (AKI)||486 HP||601 TQ||180 HP @ 4,600 RPM||255 TQ @ 2,500 RPM||6,500 RPM||∞|
|Stage 2||91 Oct (AKI)||454 HP||542 TQ||143 HP @ 4,600 RPM||177 TQ @ 2,500 RPM||6,500 RPM||∞|
|Stage 2||93 Oct (AKI)||476 HP||576 TQ||170 HP @ 4,600 RPM||225 TQ @ 2,500 RPM||6,500 RPM||∞|
|Stage 2||E85 (AKI)||510 HP||616 TQ||197 HP @ 4,600 RPM||250 TQ @ 2,500 RPM||6,500 RPM||∞|
|Stage 3 TTE710||91 Oct (AKI)||528 HP||553 TQ||195 HP @ 6,400RPM||200 TQ @ 4,600 RPM||7,000 RPM||∞|
|Stage 3 TTE710||93 Oct (AKI)||604 HP||620 TQ||312 HP @ 6,400 RPM||277 TQ @ 4,500 RPM||7,000 RPM||∞|
|Stage 3 TTE710||MS109/260GT+ (AKI)||693 HP||685 TQ||353 HP @ 6,400 RPM||340 TQ @ 4,600 RPM||7,000 RPM||∞|
|Stage 3 TTE710||E60 Mix (E55-E60)||720 HP||720 TQ||380 HP @ 6,400 RPM||365 TQ @ 4,600 RPM||7,000 RPM||∞|
|Stage 3 TTE710||E85 Pump (E60-E85)||643 HP||650 TQ||311 HP @ 6,400 RPM||307 TQ @ 4,600 RPM||7,000 RPM||∞|
***All octane ratings are in US standard AKI (RON+MON). Some ROW countries such as the UK use a RON octane rating that differs from US Octane ratings. Please email firstname.lastname@example.org to ensure you are running the correct octane file for your area. Running the incorrect octane file for your fuel can result in irreversible damage.
Dynamic+ ECU Features:
True Launch Control:
From the factory, conventional launch control strategies are not activated in the ECU. 034Motorsport’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 3,000-3,500 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. Substantial effort was spent on balancing the trade off of charge temp for power, and improving the compressor efficiency so that it doesn’t generate too much charge temp.
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, from the top of Pikes Peak to Death Valley, knowing the factory ECU has optimal performance and safety covered..
Coolant Temp/Fan Strategy: From the factory, Audi likes to run hotter water temps to reduce fluid friction losses from cooler, more viscous oil. While better for efficiency, this strategy becomes a safety issue when loads and heat are increased. 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. Once again, this means that 034Motorsport calibrators have kept your confidence in safety fully intact from the OEM configuration.
RS-Style Startup Rev Enabled:
Enjoy a nice start-up rev when turning the car on with our new RS-Style start-up program!
Start/Stop Button Memory:
The Dynamic+ Tuning options for the EA839 3.0T all retain the Start/Stop engine functionality, but 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. If you would like it to stay on, select it to be on via the in-cabin button. This is done in a completely OEM fashion, helping enhance the overall experience of driving your car!
Increased Power and Acceleration During Shift Event:
034Motorsport tuning safely applies more power throughout the shift event, increasing overall acceleration and performance.
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.
Volumetric Efficiencies and how to optimize for them:
Volumetric efficiency (VE) is how well a motor can move air/fuel in and out of it’s combustion chamber, the higher the efficiency, the more of the air/fuel can be converted to torque and power. Every engine has a volumetric efficiency that varies with RPM. For this reason, every internal combustion engine has torque that varies with RPM; some motors, thanks to advanced features like variable valve and camshaft timing, can create exceptionally flat torque curves across a broad range of RPM simply due to optimizing VE using these advanced control features. Despite this ability, every modern engine, especially with forced induction, will have torque values that vary across the RPM band. In the case of the 3.0T EA839, there is a dip in VE at 3000 RPM, or said a different way, VE is very efficient from 2-2500 RPM, and continues to be very efficient by 3500RPM, but drops to a slightly lower level at 3000. For reference, all of our dyno charts show a dip in TQ at 3000 RPM for this very reason. It is important to note that this isn’t a problem with the tuning, and we could have very easily smoothed out the torque curve in our charts to minimize this, but we chose to leave it for the sake of accuracy and transparency.
The normal VE drop at 3000 is substantial, and more than what our final power numbers suggest, but instead of smoothing the curve to hide this, we chose to tackle it head on using our tuning expertise and technical mastery calibrating these ECU’s. A way to combat the VE drop is to increase boost through this region, but instead of simply turning up the boost using the boost control strategy, we re-engineered the ECU’s torque request function to target a higher TQ through this region. The result is more power and torque using the ECU’s factory control strategy, which keeps all factory ECU functionality and safety features in place. Ultimately we are able to make the dip less than the natural VE by raising boost a safe amount, but boost cannot make up all the difference. What we have done is optimized in performance, safety and functionality – just as if the factory had done it.
Keen observers will note that this dip is present in other company’s advertised charts too, but grealy smoothed over and reduced visually, so buyers should be aware. This dip is in the VE of the motor, it’s normal for all engines, and there is no reason to hide it or be anything less than transparent and honest about this motor’s performance.
Stage 2 Dynamic+ TCU Features:
Improved Torque Management:
As with any automatic transmission vehicle, the ECU and TCU computers work synchronously to properly apply torque to the vehicle’s drivetrain in a safe and reliable manner. Within both the ECU and TCU, there are factory safety tables that limit overall torque output based upon what the factory first tuned the car for. The ECU reports the output of torque from the engine to the TCU, and the TCU decides if this is suitable, or too much. If it is too much, the TCU will command the ECU to reduce torque output based upon its safety tables.
034Motorsport takes a holistic approach with its Dynamic+ Tuning, and aims to retain as many OEM safety protocols as possible. While it is possible to tune around the factory TCU torque limiters from the ECU side, this is done at the expense of torque safety features that are integral in keeping your transmission running safely. 034Motorsport’s calibrators tune the ECU to work with the TCU to provide accurate torque values, and recalibrate the appropriate safety ranges for the TCU. Taking these extra steps to retain OEM safety systems on the ECU and TCU side is just one of the many reasons that Dynamic+ software provides substantial yet reliable performance increases
Optimized Shift Points:
In order to take advantage of the increased powerband from the turbocharger, Dynamic+ Tuning optimizes the shift points in Sport Mode to maximize acceleration while retaining smooth drivability.
When purchasing the Stage 2 TCU Tune, you will be offered specific calibrations for either E85/Race Gas and for 91/93 Octane (Pump Gas) when flashing! Both TCU calibrations are included free of charge. Each specific TCU variant sets shift points to correspond to the optimal RPM for the powerband that your car now has from your upgraded ECU tune.
Kickdown Switch Disabled in Manual Mode:
When in Manual mode, you no longer need to worry about accidentally pushing through the kickdown switch on the throttle pedal!
Improved Shift Speeds:
To further enhance the acceleration of your Audi, the ZF8 shift times are dramatically decreased in all driving modes, which ultimately results in quicker acceleration.
Shift pressures are also increased in Sport Mode to maximize performance. In Sport Mode, you will notice less lazy shifts, more firm shifts, which ultimately results in quicker acceleration.
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.
034Motorsport B9/B9.5 Audi S4/S5/SQ5 EA839 3.0T ECU Stage Descriptions:
034Motorsport 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 034Motorsport AL552 ZF8 TCU tune is recommended to be 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.
034Motorsport EA839 3.0T Performance Software is flashed via the factory OBD-II port, and does not require any physical modification of the factory ECU. Stage 1 is available in 91 Octane, 93 Octane, and E85. ALL FILES ARE US (MON+RON) RATING, ROW OCTANE RATINGS MAY DIFFER
034Motorsport Stage 2 Performance Software for the EA839 3.0T engine running pump gas or ethanol is engineered to safely increase the horsepower and torque with the addition of 034Motorsport’s Stainless Steel Racing Catalyst and upgraded intercooler. The Upgraded Catalyst allows for increased exhaust flow with the factory turbocharger, while 034Motorsport’s proprietary calibrations safely yield additional power from the EA839 3.0T engine.
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.
034Motorsport EA839 3.0T Performance Software is flashed via the factory OBD-II port, and does not require any physical modification of the factory ECU. Stage 2 is available in 91 Octane, 93 Octane, and E85. ALL FILES ARE US (MON+RON) RATING, ROW OCTANE RATINGS MAY DIFFER.
NOTE: Secondary Air Injection upon Cold-Start is disabled with Stage 2 files. Your car will still heat up normally and safely, but without the raised RPM found on Stock or Stage 1.
Stage 3 TTE710 Hybrid Turbocharger File
034Motorsport 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 Optimization:
Dynamic+ Stage 3 Software is designed to be utilized with an upgraded high pressure fuel pump that offers a 37% larger diameter piston over the factory. The APR and VIS high pressure fuel pumps are suitable, as is the upcoming 034Motorsport high pressure fuel pump upgrade. 034Motorsport is not liable for the failure of other aftermarket fuel pump systems.
034Motorsport EA839 3.0T Performance Software is flashed via the factory OBD-II port, and does not require any physical modification of the factory ECU. Stage 3 is available in 91 Octane, 93 Octane, E60 Mix, and E85 Pump files. ALL FILES ARE US (MON+RON) RATING, ROW OCTANE RATINGS MAY DIFFER.
The 034Motorsport Stage 3 E60 Mix file is recommended to have an ethanol content of E55-E60. This file is designated for use when seeking the highest power output possible. This ethanol content allows your Audi to safely generate maximum power from the TTE710 turbocharger by maximizing the octane level and knock-reduction efficiency of ethanol, without overloading the fuel system with extra fuel capacity that the current fuel system cannot sustain.
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.
034Motorsport B9 Audi S4/S5/SQ5 AL552 ZF8 TCU Stage Descriptions:
(Included with Purchase of 034Motorsport EA839 ECU Tuning)
034Motorsport Stage 1 Transmission Performance Tuning Software for the AL552 is included in the Dynamic+ Tuning Bundle with our Stage 1 & Stage 2 ECU software. The Dynamic+ ECU Tuning accurately reports torque values to 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. This results in better shift quality as the transmission is not having to reduce engine torque or having to adapt to misreported inputs.
The 034Motorsport Stage 2 Transmission Performance Tuning Software for the Al552 is designed to further improve the drivability and performance of your Dynamic+ Tuned Audi B9 S4, S5, or SQ5. Dynamic+ Stage 2 TCU Software can be used with our Stage 1 OR Stage 2 ECU software. 034Motorsport Stage 2 TCU Tuning further improves shifting performance and speed for casual and track driving in all driving modes. Dynamic+ Tuning also activates AMAX shifting to ensure the quickest and most efficient shifting strategies while launching your vehicle. Kickdown in Manual Mode is also removed. Stage 2 TCU Tuning is currently available for 2017-2020 Model Year vehicles and is currently in development for B9.5 vehicles.
The 034Motorsport Stage 3 Transmission Performance Tuning Software for the Al552 is designed to further improve the drivability and acceleration performance of your Stage 3 Dynamic+ Tuned Audi B9 S4, S5, or SQ5. Dynamic+ Stage 3 TCU Software is designed to be used with Dynamic+ Stage 3 ECU Software. 034Motorsport Stage 3 TCU Tuning further optimizes shift points under partial and full throttle to keep the TTE710 Turbocharger in its peak power band, and raises the redline to 7000RPM for maximum performance with the larger turbocharger!
034MOTORSPORT EA839 3.0T TURBOCHARGED PERFORMANCE SOFTWARE DYNO CHARTS:
Select Dyno Chart:
ECU Tune Supporting Modification Requirements:
|Stage||Required Modifications||Recommended Modifications|
|Stage 1 91|
|Stage 1 93|
|Stage 1 E85|
|Stage 2 91|
|Stage 2 93|
|Stage 2 E85|
|Stage 3 91:|
|Stage 3 93:|
|Stage 3 E60 Mix:|
|Stage 3 E85 Pump:|
Stage 1, Stage 2, Stage 3
|ZF8 TCU Software|
Stage 1, Stage 2, Stage 3
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X34 CARBON FIBER INTAKE, AUDI B8/8.5 S4/S5 3.0 TFSI$335.00Read more
One of the best performing B8/B8.5 air intake kits on the market? The X34 Carbon Fiber Intake, Audi B8/8.5 S4/S5 3.0 TFSI delivers improved power, supercharger sound, and overall performance to the 3.0T found in B8/8.5 S4/S5s, in a clean, cost-effective package.
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MercRacing 3.0TFSI SUPERCHARGER BLEEDER SCREW KIT FOR AUDI B8/B8.5/C7/D4 S4/S5/Q5/SQ5/A6/A7/A8
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Replace those failure-prone, plastic 3.0 TFSI supercharger bleeder screws with the MercRacing 3.0 TFSI Supercharger Bleeder Screw Kit for Aud B8/B8.5/C7/D4 S4/S5/Q5/SQ5/A6/A7/A8 vehicles. The OEM bleeder screws are not designed for multiple uses and the soft plastic can easily be damaged to the point where they no longer can be loosened or tightened. These CNC …