E63 Turbo Upgrade Installation Guide: Installing the Hks Gt Ii Kit for 550+ Hp

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The E63 is a powerful vehicle, but for those looking to push the limits, upgrading to the HKS GT II turbo kit can significantly enhance performance. This guide will take you through the installation process, ensuring you achieve over 550 horsepower with your E63.

Tools and Materials Needed

  • HKS GT II Turbo Kit
  • Socket set
  • Torque wrench
  • Screwdrivers
  • Wrenches
  • Intercooler piping
  • Silicone couplers
  • Gaskets
  • Oil and coolant
  • Shop towels

Preparation Steps

Before starting the installation, ensure that the vehicle is parked on a flat surface and the engine is cool. Gather all tools and materials listed above. Disconnect the battery to prevent any electrical issues during the installation.

Removing the Stock Turbo

To begin the installation, you need to remove the stock turbo. Follow these steps:

  • Remove the engine cover by unscrewing the bolts.
  • Disconnect the intake and exhaust piping from the stock turbo.
  • Remove any electrical connectors attached to the turbo.
  • Unbolt the turbo from the manifold using the socket set.
  • Carefully lift the turbo out of the engine bay.

Installing the HKS GT II Turbo Kit

With the stock turbo removed, it’s time to install the HKS GT II turbo kit. Follow these steps carefully:

  • Position the HKS GT II turbo in the engine bay.
  • Secure the turbo to the manifold using the provided bolts.
  • Reconnect any electrical connectors as necessary.
  • Attach the intake and exhaust piping to the turbo.
  • Install the silicone couplers to ensure a tight fit.

Installing the Intercooler

The intercooler is essential for maintaining optimal performance. Here’s how to install it:

  • Locate a suitable position for the intercooler in the front of the vehicle.
  • Secure the intercooler using the mounting brackets provided.
  • Connect the intercooler piping to the turbo and throttle body.
  • Ensure all connections are tight and leak-free.

Final Steps

After installing the turbo and intercooler, follow these final steps:

  • Reconnect the battery.
  • Check all connections for tightness and leaks.
  • Fill the engine with oil and coolant as necessary.
  • Start the engine and let it idle for a few minutes.
  • Check for any unusual sounds or leaks during idle.

Tuning the Vehicle

After installation, tuning is crucial to maximize the performance of your new turbo setup. Consider the following:

  • Use a reputable tuning service to adjust the ECU settings.
  • Monitor air-fuel ratios to ensure optimal performance.
  • Consider upgrading fuel injectors if necessary.
  • Test drive the vehicle to ensure everything is functioning properly.

Conclusion

Installing the HKS GT II turbo kit on your E63 can significantly enhance its performance, pushing it beyond 550 horsepower. Follow this guide carefully to ensure a successful installation and enjoy the exhilarating power of your upgraded vehicle.