Ms3 Turbo Upgrade Installation Guide: Installing the Borgwarner Efr 7670 for 400+ Hp

Upgrading your turbocharger is one of the most effective ways to increase the horsepower of your vehicle. In this guide, we will walk you through the installation of the BorgWarner EFR 7670 turbocharger, which can help you achieve over 400 horsepower in your MS3. This installation requires attention to detail and a good understanding of your vehicle’s engine components.

Tools and Materials Needed

  • BorgWarner EFR 7670 Turbocharger
  • Turbo installation kit
  • Socket set
  • Wrenches
  • Torque wrench
  • Heat-resistant gaskets
  • Silicone sealant
  • Oil feed and return lines
  • Intercooler piping
  • Vacuum hose
  • Boost controller (optional)

Preparation Steps

Before starting the installation, ensure your vehicle is parked on a level surface and the engine is cool. Gather all tools and materials listed above for a smooth installation process.

1. Disconnect the Battery

To avoid any electrical issues, disconnect the negative terminal of the battery. This step is crucial for your safety during the installation.

2. Remove the Stock Turbocharger

Start by removing the intake and exhaust components connected to the stock turbocharger. Follow these steps:

  • Remove the air intake ducting.
  • Disconnect the wastegate actuator.
  • Unbolt the exhaust manifold from the turbo.
  • Disconnect the oil feed and return lines.
  • Remove the stock turbocharger from the engine bay.

Installing the BorgWarner EFR 7670

Now that the stock turbo is removed, it’s time to install the BorgWarner EFR 7670. Follow these steps carefully:

1. Prepare the Turbocharger

Before installation, ensure that the new turbocharger is clean and free from debris. Inspect the gaskets and lines for any damage.

2. Install the Turbocharger

Carefully position the BorgWarner EFR 7670 turbocharger onto the exhaust manifold. Ensure that all bolt holes align properly.

  • Use new gaskets on both the turbo and manifold.
  • Hand-tighten the bolts to secure the turbo in place.
  • Use a torque wrench to tighten the bolts to the manufacturer’s specifications.

3. Connect Oil Lines

Attach the oil feed and return lines to the turbocharger. Ensure that all connections are tight to prevent leaks.

4. Install the Wastegate Actuator

Reconnect the wastegate actuator to the turbocharger. Make sure it is securely fastened and operates freely.

Connecting Intercooler and Intake

With the turbocharger installed, the next step is to connect the intercooler piping and intake system.

1. Install Intercooler Piping

Attach the intercooler piping to the turbocharger outlet. Ensure that all clamps are tight and there are no leaks.

2. Connect the Intake

Reconnect the air intake ducting to the turbocharger. Ensure a secure fit to maximize airflow.

Final Steps

After all components are connected, it’s time to finalize the installation.

1. Double-Check Connections

Go through all the connections and ensure everything is tight and secure. Check for any visible leaks or loose fittings.

2. Reconnect the Battery

Reconnect the negative terminal of the battery, ensuring a solid connection.

3. Start the Engine

Start the engine and allow it to idle for a few minutes. Check for any unusual sounds or leaks. Monitor the oil pressure and temperature.

Tuning Your Vehicle

After the installation, tuning your vehicle is essential to ensure optimal performance. Consider using a professional tuner to maximize the potential of your new turbocharger.

Conclusion

Installing the BorgWarner EFR 7670 turbocharger can significantly enhance your MS3’s performance, pushing it over the 400 horsepower mark. With careful attention to detail during installation and proper tuning, you can enjoy the benefits of your new turbo setup.