BDT Stage 2 ECU Tune

VW Passat 2.0T — Stage 2 Calibration

If you want your Passat to feel actually fast, Stage 2 is the move. BDT Stage 2 wakes up the turbocharged 2.0T with stronger midrange torque, quicker spool, and a pull that doesn’t fall flat up top — while keeping drivability and safety logic intact. With remote flashing, install is quick and stress-free at home or on the go.

Comfortable when you want it… disrespectful when you don’t.

BDT Stage 2 Tune Features

Passat 2.0T Stage 2

Stage 2 is built for drivers who want the car to pull harder, longer, and cleaner — especially in the midrange where you actually drive. With a high-flow downpipe, the turbo breathes better, spools faster, and carries power more consistently through the pull.

Crackle Pops (Overrun)

This feature is also known as overrun. When decelerating from higher RPMs (or free-revving in neutral/park), you’ll hear controlled pops in the exhaust. Subtle on factory exhaust — more noticeable with freer-flowing setups (especially Stage 2 hardware). Tuned with RPM windows and safety logic so it stays fun and controlled.

Boost Control

From the factory, boost delivery can be bumpy and uneven, which hurts response and long pulls. BDT Stage 2 refines and smooths the curve for crisp, repeatable power delivery when pushing the car through the full powerband.

Recommended Upgraded Spark Plugs

Click below to view the recommended NGK racing plug:

? View NGK R7438-8 Racing Plug

Power Gains

Expected Stage 2 gains (93 octane): up to 347 HP and 371 FT-LBS. Results vary by dyno type, fuel quality, altitude, heat, and vehicle condition.

Power reference is based on published third-party Stage 2 figures for the EA888 Gen 3 IS20 platform and used here for a customer-facing estimate.

ECU Tune Modification Requirements

Stage 2 hardware quick view: Downpipe REQUIRED. Intake/intercooler are strongly recommended for consistency and heat control. A TCU tune is highly recommended if equipped to manage the torque cleanly.

Software Installation Requirements

WINDOWS LAPTOP REQUIRED (NO APPLE)

FAQ

Maintenance Reminder

** PLEASE NOTE: If you schedule an appointment to flash your tune and you are late with no contact, there will be a $50 late fee applied. If you need to reschedule your tune, you must contact us at least an hour before your appointment, or there will be a $50 fee applied. **

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, USA nor any state that follows CARB standards.

Assumption of Risk and Waiver of Liability

By purchasing and/or installing this product, you agree to:

1. Assume all risk and responsibility for compliance with applicable local, state, and federal laws and regulations.
2. 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.
3. 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 in a manner inconsistent with this disclaimer
• Misrepresentation of vehicle use
• Violation of any emissions laws or regulations

Final Notice

This product is sold “as is” and “with all faults”, with no warranties regarding legality for 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.

DOWNPIPE 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 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.