2020- 2023 SQ7 4.0t EA825 ECU+TCU TUNE (REMOTE TUNE)

$850.00
(1 review)
Width:
7.00 (in)
Height:
6.00 (in)
Depth:
1.00 (in)
Current Stock:
Adding to cart… The item has been added
Boost Dynamic Tuning

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.

Horsepower687HPstock hardware
Torque815FT-LBSon 93 octane
Fuel: 91/93 octaneRequired mods: none — stock hardwareData: peaks dyno-verified
Horsepower740HPwith high-flow exhaust
Torque890FT-LBSon 93 octane
Fuel: 93 octaneRequired mods: high-flow exhaustData: peaks dyno-verified

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.

1

Schedule — after purchase, book your remote flash session with BDT.

2

Set Up — Windows laptop with TeamViewer, our cable in the port, battery maintainer on the car, key in accessory.

3

We Flash It — BDT remotes into the laptop and runs the whole flash while you watch live.

4

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

TCU Tune IncludedZF 8HP95 shifts matched to the power
Crackle PopsV8 overrun theater — pick your level
Speed Limiter RemovedFactory Vmax restriction deleted
Rev Limit RaisedMore usable RPM on every pull
Torque Limiters Raised890 lb-ft needs every cap gone
IAT + EGT Safety LogicOEM-grade protection strategies stay active
Remote OBDII FlashFlashed from home over a live BDT session

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.

REQ Required before flashing REC Recommended Not needed
Part / UpgradeStage 1Stage 2
High-Flow ExhaustREQ
Air IntakeRECREC
Intercooler UpgradeRECREC

Maintenance

Maintenance ItemInterval
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.

 

Reviews

  • 5
    Sq7 stage 1 ecu tcu

    Posted by Brandon on Nov 20th 2025

    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.