2020- 2023 SQ7 4.0t EA825 ECU+TCU TUNE (REMOTE TUNE)
Audi SQ7 / SQ8 4.0T ECU + TCU Tune
Real Numbers. Real Pulls.
Tap a stage — power, fuel, and required mods at a glance. Crank figures on 93 octane; the pull is on video below.
If your tuner doesn't show before & after dyno videos, you're being lied to.
A dynamometer is a before-and-after measuring tool — not an absolute output number. What can't be faked is the delta: same platform, same dyno, stock vs tuned — on camera, in the videos below.
How It Works — Remote Tune
No shop visit. We flash your SQ7 / SQ8 over the internet while you watch it happen live on your screen.
Schedule — after purchase, book your remote flash session with BDT.
Set Up — Windows laptop with TeamViewer, our cable in the port, battery maintainer on the car, key in accessory.
We Flash It — BDT remotes into the laptop and runs the whole flash while you watch live.
Drive — key off on command, unplug, done. Fault codes right after flashing are normal and clear after a short drive cycle.
This ECU family flashes via a live BDT remote session. Self-flashing with the BDT Flasher lands when this platform is ported.
What's Included
Watch The Proof
The EA825 V8 on the rollers. Sound on.
SQ7 / SQ8 — Stage 1 Dyno
What Your Car Needs, Per Stage
If it is not listed as required, the tune runs without it.
| Part / Upgrade | Stage 1 | Stage 2 |
|---|---|---|
| High-Flow Exhaust | — | REQ |
| Air Intake | REC | REC |
| Intercooler Upgrade | REC | REC |
Maintenance
| Maintenance Item | Interval |
|---|---|
| SPARK PLUGS NGK OEM-spec Iridium • 1 heat range colder recommended for tuned • contact BDT for part number | 20-30K mi |
| OIL CHANGE Audi-approved 0W-30 or 5W-40 Liqui Moly • OEM FILTER ONLY | 5K mi |
| ZF 8HP95 TRANSMISSION FLUID SERVICE ZF LifeguardFluid 8 • pan gasket & filter included | 60-80K mi |
| FRONT & REAR DIFFERENTIAL FLUID OEM only | 40K mi |
Late Policy: If you schedule an in-person flash and arrive late without notice, a $50 fee applies. Reschedules must be made at least 1 hour prior.
EMISSIONS COMPLIANCE NOTICE & LEGAL DISCLAIMER
FOR COMPETITION USE ONLY — NOT FOR STREET USE
This product is sold and intended solely for vehicles used in closed-course racing, off-road competition, or organized motorsport events. It is not legal for use on any pollution-controlled vehicle operated on public roads or highways, as defined under the Clean Air Act (42 U.S.C. § 7522) and applicable state emissions laws.
By purchasing, installing, or using this product, you explicitly acknowledge and agree to the following terms:
Federal and State Emissions Compliance
- This product may modify, bypass, defeat, or render inoperative one or more emissions control devices, including but not limited to: catalytic converters, oxygen sensors, EGR systems, or OBD monitoring systems.
- The installation or use of this product on any vehicle subject to emissions regulations is strictly prohibited by federal law and may result in civil or criminal penalties, including fines up to $45,000 per vehicle under the Clean Air Act.
- This product is not certified by the EPA or CARB, and is therefore not legal for sale or use in California or any CARB-adopting state.
Assumption of Risk and Waiver of Liability
By purchasing and/or installing this product, you agree to:
- Assume all risk and responsibility for compliance with applicable local, state, and federal laws and regulations.
- Waive all claims, liabilities, and legal actions against Boost Dynamic Tuning, LLC, its officers, directors, employees, and affiliates arising from the purchase, installation, or use of this product in violation of any applicable law.
- Release Boost Dynamic Tuning, LLC from any and all damages, injuries, or penalties resulting from improper or unlawful use.
Indemnification Clause
You further agree to indemnify, defend, and hold harmless Boost Dynamic Tuning, LLC from any fines, penalties, damages, losses, or legal fees resulting from use of this product inconsistent with this disclaimer, misrepresentation of vehicle use, or violation of any emissions laws or regulations.
Final Notice
This product is sold "as is" and "with all faults", with no warranties, expressed or implied, regarding legality for public highway use or emissions compliance. It is the sole responsibility of the end-user to determine legality for the intended application. Boost Dynamic Tuning, LLC does not condone or recommend illegal street use or emissions equipment tampering.
By completing your purchase, you acknowledge that you have read, understood, and agreed to this disclaimer in full.
HIGH-FLOW EXHAUST NOTICE: BY PURCHASING A MOTORSPORT/RACING PRODUCT ("PRODUCT"), YOU REPRESENT THAT YOU UNDERSTAND AND AGREE THAT: THE PRODUCT IS NOT DESIGNED TO MEET ANY APPLICABLE EMISSIONS STANDARDS, WHETHER IN THE USA OR OTHERWISE, THE PRODUCT IS NOT DESIGNED TO BE C.A.R.B. COMPLIANT, AND THAT THE PRODUCT IS NOT FOR SALE OR USE IN CALIFORNIA, USA NOR ANY OTHER JURISDICTION WHERE THE SALE OR USE IS PROHIBITED BY LAW. BOOST DYNAMIC TUNING, LLC MAKES NO REPRESENTATIONS, WARRANTIES, OR CLAIMS THAT THIS PRODUCT COMPLIES WITH ANY APPLICABLE EMISSIONS LAWS AND EXPRESSLY DISCLAIMS ANY AND ALL SUCH REPRESENTATIONS, WARRANTIES, AND CLAIMS, WHETHER EXPRESS OR IMPLIED. BY PURCHASING THIS PRODUCT, YOU REPRESENT, WARRANT, AND AGREE THAT IT IS YOUR RESPONSIBILITY TO INFORM YOURSELF OF ANY LAWS OR REGULATIONS THAT MAY APPLY TO YOUR PURCHASE AND/OR USE OF THE PRODUCT.
Reviews
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Sq7 stage 1 ecu tcu
After getting the Stage 1 tune, my SQ7 went from feeling strong to feeling exactly how it should’ve come from the factory. The improvement is immediately noticeable. Throttle response is quicker, the power delivery is smooth and consistent, and it pulls hard without feeling forced. The shifts are clean, predictable, and way better than stock. Everything just works together in a way that makes the SQ7 feel more enjoyable to drive, whether you’re cruising or getting a little spirited with it. Driving characteristics overall are much improved. It feels faster, lighter on its feet, and more responsive. It’s the type of upgrade that makes you look forward to driving the car again. The process itself was flawless. Communication was on point, everything was explained clearly, and the transaction was smooth from start to finish. In short: Great tune, great experience, and a noticeable upgrade in all the right ways.