Table of Contents
The B58 engine has gained a reputation for its robust performance and tuning potential. Upgrading the turbocharger is one of the most effective ways to boost horsepower significantly. In this guide, we will explore how to upgrade your B58 turbo system to achieve up to 550 horsepower using the BorgWarner EFR 7163 turbos.
Understanding the B58 Engine
The B58 is a 3.0-liter inline-six engine developed by BMW. It features a single twin-scroll turbocharger, direct injection, and a lightweight aluminum construction. The engine is known for its smooth power delivery and impressive tuning capabilities.
Benefits of Upgrading to BorgWarner EFR 7163 Turbos
The BorgWarner EFR 7163 turbocharger is a popular choice among enthusiasts looking to increase their B58’s performance. Here are some key benefits:
- Increased Power Output: Capable of supporting up to 550 horsepower.
- Improved Efficiency: Designed for better thermal efficiency and quicker spool times.
- Lightweight Construction: Reduces overall weight and improves handling.
- Integrated Wastegate: Simplifies installation and tuning.
Required Components for the Upgrade
To successfully upgrade to the BorgWarner EFR 7163 turbos, you’ll need several components to ensure compatibility and optimal performance:
- BorgWarner EFR 7163 Turbochargers
- Upgraded intercooler
- High-flow fuel injectors
- Aftermarket fuel pump
- Tune for engine management system
- Exhaust manifold and downpipe
- Boost control solenoid
Step-by-Step Installation Process
1. Preparation
Before starting the installation, gather all necessary tools and components. Ensure the vehicle is parked on a level surface and the engine is cool.
2. Remove the Stock Turbocharger
Begin by disconnecting the battery. Remove the intake and exhaust components connected to the stock turbocharger. Carefully detach the turbocharger from the manifold and remove it from the engine bay.
3. Install the BorgWarner EFR 7163 Turbos
Position the BorgWarner EFR 7163 turbos onto the exhaust manifold. Ensure that all gaskets are in place and torque the bolts to the manufacturer’s specifications. Reconnect the intake and exhaust components, ensuring a secure fit.
4. Upgrade the Fuel System
Install high-flow fuel injectors and an aftermarket fuel pump to support increased fuel demands. Ensure that all connections are tight and leak-free.
5. Install the Upgraded Intercooler
Replace the stock intercooler with a larger, more efficient unit. This will help manage intake temperatures and improve overall performance. Connect all piping securely.
6. Tune the Engine Management System
After all components are installed, it’s crucial to tune the engine management system. Use a professional tuning service or software to adjust fuel maps, boost levels, and timing to ensure optimal performance.
Tuning Considerations for Maximum Performance
When tuning your B58 engine with the BorgWarner EFR 7163 turbos, consider the following:
- Monitor air-fuel ratios to avoid lean conditions.
- Adjust boost levels gradually to find the optimal setting.
- Regularly check for any signs of knock or detonation.
- Utilize a wideband O2 sensor for accurate readings.
Maintenance Tips for Upgraded Turbo Systems
To ensure longevity and reliability of your upgraded turbo system, follow these maintenance tips:
- Change the engine oil regularly to keep the turbo lubricated.
- Inspect all connections and hoses for leaks or wear.
- Keep an eye on boost levels and engine temperatures.
- Perform regular dyno tuning sessions to optimize performance.
Conclusion
Upgrading your B58 engine with BorgWarner EFR 7163 turbos can unlock significant horsepower and performance gains. By following this guide, you can achieve a reliable setup that delivers up to 550 horsepower. Always remember to prioritize proper tuning and maintenance to enjoy the full benefits of your upgrade.