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The S55 engine, found in various BMW models, is known for its impressive performance and tuning potential. One of the most effective upgrades for this engine is the installation of upgraded turbochargers. In this article, we will explore the cost, installation process, and power potential associated with upgrading the S55 turbochargers.
Understanding the S55 Engine
The S55 engine is a 3.0-liter inline-six turbocharged engine that powers models such as the BMW M3 and M4. It is known for its robust performance and tuning capabilities. The factory turbochargers, while efficient, can be limiting for enthusiasts seeking higher power outputs.
Benefits of Upgrading Turbochargers
Upgrading the turbochargers on the S55 engine can lead to significant performance gains. Here are some benefits:
- Increased Horsepower: Upgraded turbochargers can provide a substantial increase in horsepower, often exceeding 600 hp with the right supporting modifications.
- Improved Torque: Enhanced turbochargers can also improve torque delivery, making the car feel more responsive.
- Better Boost Response: Upgraded units can offer quicker spool times, resulting in improved throttle response.
- Customization: There are various options available, allowing enthusiasts to choose turbochargers that suit their specific performance goals.
Cost of Upgrading S55 Turbochargers
The cost of upgrading S55 turbochargers can vary widely based on several factors. Here’s a breakdown of potential costs:
- Turbocharger Kits: Aftermarket turbocharger kits can range from $2,500 to $6,000, depending on the brand and specifications.
- Supporting Modifications: Additional modifications such as intercoolers, exhaust systems, and tuning can add another $1,500 to $5,000 to the total cost.
- Labor Costs: Professional installation can cost between $1,000 and $2,500, depending on the complexity of the job.
Installation Process
The installation of upgraded turbochargers on the S55 engine requires mechanical expertise and the right tools. Here’s an overview of the installation process:
- Preparation: Before starting, ensure you have all necessary tools and parts. Disconnect the battery and remove any engine covers.
- Turbo Removal: Remove the factory turbochargers by disconnecting the intake and exhaust piping, as well as any associated electrical connections.
- Install Upgraded Turbochargers: Position the new turbochargers and connect all necessary piping and electrical connections.
- Tuning: After installation, the vehicle must be tuned to ensure optimal performance and reliability.
Power Potential
Upgrading the turbochargers can unlock significant power potential. Depending on the specific turbochargers chosen and supporting modifications, power outputs can vary:
- Stage 1 Upgrades: Basic upgrades can yield around 500-550 hp with minimal supporting mods.
- Stage 2 Upgrades: More extensive modifications can push power to 600-650 hp.
- Stage 3 Upgrades: With full supporting mods, power levels can exceed 700 hp.
Conclusion
Upgrading the S55 turbochargers is a popular choice among enthusiasts looking to enhance their vehicle’s performance. While the costs can be significant, the potential power gains and improved driving experience often justify the investment. Whether you are looking for a modest increase or aiming for high horsepower levels, there are options available to suit your needs.