2012 - 2018 S6 S7 4.0t Ecu Tune (Remote Tune)
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2012 - 2018 S6 S7 4.0t Ecu Tune (Remote Tune)

$500 $400
(No reviews yet)
Width:
7.00 (in)
Height:
3.00 (in)
Depth:
7.00 (in)
Current Stock:
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Description
Select Stage:

Stage Power Comparison

Stage 1
595
HP / Stock Turbos
655 TQ
No hardware required
Stock twin-turbo friendly
Stage 2
610
HP / High-Flow Exhaust
652 TQ
High-flow exhaust required
Stock twin-turbo maxed
Stage 3
680
HP / Turbo Upgrade
740 TQ
Full turbo upgrade required
Big power build
BOOST DYNAMIC TUNING

BDT Stage 1 ECU Tune

2013–2018 Audi S6 / S7 • C7 • 4.0T Twin-Turbo V8

Your twin-turbo 4.0L is already an animal — but the factory file keeps it on a leash. BDT Stage 1 delivers 595 HP / 655 TQ by safely maxing out the factory turbochargers. Be ready for a reliable everyday commute, or launch down the drag strip at any time. Hellcats beware.

Twin-Turbo 4.0T V8 Quattro AWD Crackle Pops Remote OBDII Flash
Audi S6 S7 4.0T Stage 1 BDT

Fitment & Compatibility

 

Vehicle: 2013–2018 Audi S6 / S7 (C7)

Engine: 4.0T TFSI Twin-Turbo V8

  • Quattro AWD
  • Automatic supported
  • 91–93 octane
  • Remote OBDII flashing compatible

Stage 1 Highlights

  • 595 HP / 655 TQ on 93 octane
  • Speed limiter removed
  • Rev limiter raised (neutral/park, TCU tune req.)
  • Auto Start/Stop defaults OFF
  • Torque limiters raised
  • Fueling optimized by load & throttle
  • Boost gauge re-scaled
  • Crackle Pops (Dynamic mode)
  • Refined boost control — linear onset
  • Reduced turbo lag
  • LPFP/HPFP targets optimized
  • VVT recalibrated
  • OBDII port flashing

Power Gains

 
Stage Horsepower Torque
Stock Audi Advertised 420 HP 406 TQ
Stock BDT Dyno 419 HP 405 TQ
Stage 1 93 Octane 595 HP 655 TQ
Stage 2 (high-flow exhaust req.) 610 HP 652 TQ
Stage 3 (turbo upgrade req.) 680 HP 740 TQ

Stage 1 Modification Requirements

Stage 1 is stock-turbo / stock-exhaust friendly. No hardware required.

Upgrade Matrix

Part / Upgrade Required Recommended
TCU Tune — HIGHLY REC.
Air Intake — YES
Intercooler — YES
Drivetrain Inserts — YES
High-Flow Exhaust — NOT COMPATIBLE (S1)
Spark Plugs NGK R7437-8 .024 gap — YES
BOOST DYNAMIC TUNING

BDT Stage 2 ECU Tune

2013–2018 Audi S6 / S7 • C7 • 4.0T Twin-Turbo V8

Stage 2 pairs the factory twin-turbos with a high-flow exhaust for 610 HP / 652 TQ. Harder hit, stronger midrange, cleaner pulls — without sacrificing daily drivability. Hellcat-hunting daily driver.

High-Flow Exhaust Req. Quattro AWD Crackle Pops Remote OBDII Flash
Audi S6 S7 4.0T Stage 2 BDT
Stage 2 Requirement: High-flow exhaust required. Intercooler and turbo inlet pipes recommended.

Stage 2 Highlights

  • 610 HP / 652 TQ on 93 octane
  • Speed limiter removed • Rev limiter raised
  • Auto Start/Stop defaults OFF
  • Torque limiters raised
  • Fueling optimized
  • Boost gauge re-scaled
  • Increased crackle pops (Dynamic mode)
  • Refined boost control
  • LPFP/HPFP targets optimized
  • VVT recalibrated
  • OBDII port flashing

Mod Requirements

Part Req. Rec.
High-Flow Exhaust YES —
TCU Tune — HIGHLY REC.
Air Intake — YES
Intercooler — YES
Turbo Inlet Pipes — YES
Drivetrain Inserts — YES
Spark Plugs NGK R7437-8 .024 gap — YES
BOOST DYNAMIC TUNING

BDT Stage 3 ECU Tune

2013–2018 Audi S6 / S7 • C7 • 4.0T Twin-Turbo V8

Stage 3 is the full-send build. With upgraded turbos, BDT Stage 3 delivers 680 HP / 740 TQ — aggressive crackle pops, refined boost control, and power that puts supercar owners on notice.

Turbo Upgrade Req. Quattro AWD Aggressive Crackle Remote OBDII Flash
Audi S6 S7 4.0T Stage 3 BDT
Stage 3 is a full turbo-upgrade build. Turbos, high-flow exhaust, intercooler, intake, and TCU tune all required.

Stage 3 Highlights

  • 680 HP / 740 TQ
  • Speed limiter removed • Rev limiter raised
  • Torque limiters raised
  • Fueling optimized
  • Aggressive crackle pops (Dynamic mode)
  • Refined boost control
  • LPFP/HPFP targets optimized
  • OBDII port flashing

Mod Requirements

Part Req. Rec.
Turbo Upgrade YES —
High-Flow Exhaust YES —
Intercooler YES —
Air Intake YES —
TCU Tune YES —
Turbo Inlet Pipes — YES
HPFP Upgrade — YES
Catback Exhaust — YES
Spark Plugs NGK R7437-8 .024 gap YES —
⚠️ WINDOWS LAPTOP REQUIRED (NO APPLE / MACOS) • REMOTE OBDII FLASH FROM HOME

How Remote Tuning Works — Flash From Home in Minutes

No shop. No downtime. BDT logs into your laptop remotely and handles every button press.

 

Step-by-Step

  1. 1

    Schedule: Scan the QR code included with your cable to book your session.

  2. 2

    Download TeamViewer Quick Support.

  3. 3

    Connect battery charger: 10–25 amps.

  4. 4

    Key on, engine off.

  5. 5

    Plug in the cable: OBDII port to USB.

  6. 6

    Share your TeamViewer ID. BDT handles everything.

  7. 7

    Key off on command.

  8. 8

    Disconnect & drive.

WATCH: HOW REMOTE TUNING WORKS

Late Policy: $50 fee for late arrivals without notice. Reschedules must be made at least 1 hour prior.

Frequently Asked Questions

 

Q: What do I need for Stage 1?
A: Nothing required. TCU tune, intake, intercooler, and spark plugs (NGK R7437-8 .024 gap) are recommended. High-flow exhaust is NOT compatible with Stage 1.

 

Q: What do I need for Stage 2?
A: High-flow exhaust is required. TCU tune, intercooler, intake, turbo inlet pipes, and spark plugs recommended.

 

Q: What do I need for Stage 3?
A: Full turbo-upgrade build: upgraded turbos, high-flow exhaust, intercooler, intake, and TCU tune all required. HPFP, turbo inlet pipes, and catback exhaust recommended.

 

Q: Can I flash at home?
A: Yes. Remote OBDII flashing with full support is included. A Windows laptop is required.

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.

Federal and State Emissions Compliance

  • This product may modify, bypass, defeat, or render inoperative one or more emissions control devices.
  • Use on emissions-regulated vehicles is strictly prohibited by federal law and may result in penalties up to $45,000 per vehicle under the Clean Air Act.
  • This product is not certified by the EPA or CARB, and is not legal for sale or use in California or any CARB-adopting state.

Assumption of Risk and Waiver of Liability

  1. Assume all risk and responsibility for compliance with applicable laws.
  2. Waive all claims against Boost Dynamic Tuning, LLC and affiliates.
  3. Release Boost Dynamic Tuning, LLC from damages 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 inconsistent with this disclaimer.

Final Notice

This product is sold "as is", with no warranties regarding legality for public highway use. It is the sole responsibility of the end-user to determine legality. Boost Dynamic Tuning, LLC does not condone 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.

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