Performance Testing the Dinan S55 Power Upgrade: from 444 Hp Stock to 550 Hp

The Dinan S55 Power Upgrade has garnered significant attention among automotive enthusiasts, especially for those who own BMW vehicles equipped with the S55 engine. This upgrade promises to elevate the vehicle’s horsepower from a stock 444 HP to an impressive 550 HP, enhancing performance and driving experience. In this article, we will delve into the performance testing of the Dinan S55 Power Upgrade, examining the results and implications of this modification.

Understanding the S55 Engine

The S55 engine, a product of BMW’s engineering excellence, is a turbocharged inline-six engine that powers several models, including the M3 and M4. With its robust design and advanced technology, the S55 is known for its performance capabilities right out of the factory.

Key Features of the S55 Engine

  • Turbocharged inline-six configuration
  • High-performance components such as forged pistons and crankshaft
  • Advanced fuel injection system for optimal efficiency
  • Variable valve timing for improved power delivery

These features contribute to the engine’s robust performance, but many enthusiasts seek further enhancements, leading to the popularity of aftermarket upgrades like the Dinan S55 Power Upgrade.

The Dinan S55 Power Upgrade

Dinan is a well-respected name in the automotive performance industry, known for its high-quality upgrades that maintain the integrity of the vehicle while enhancing its performance. The S55 Power Upgrade is designed to provide significant horsepower gains while ensuring reliability and drivability.

Components of the Upgrade

  • ECU tuning for optimized performance
  • Upgraded intercooler for improved cooling
  • High-flow air intake system
  • Enhanced exhaust system for better airflow

These components work together to unlock the engine’s potential, allowing it to reach a peak output of 550 HP, which is a substantial increase over the stock configuration.

Performance Testing Methodology

To accurately assess the impact of the Dinan S55 Power Upgrade, a series of performance tests were conducted. These tests aimed to measure horsepower, torque, and overall vehicle dynamics before and after the installation of the upgrade.

Testing Environment

The performance testing was carried out in a controlled environment using a dynamometer. This setup ensures accurate measurements of the vehicle’s power output and allows for consistent testing conditions.

Test Procedure

  • Baseline runs to measure stock performance
  • Installation of the Dinan S55 Power Upgrade
  • Post-upgrade runs to measure performance gains
  • Data analysis and comparison of results

This structured approach allows for a clear understanding of the performance enhancements provided by the upgrade.

Performance Results

The results of the performance testing were impressive, showcasing the effectiveness of the Dinan S55 Power Upgrade. Below are the key findings from the tests conducted.

Baseline Performance

Before the upgrade, the S55 engine produced a maximum of 444 HP and 406 lb-ft of torque. These figures are consistent with the manufacturer’s specifications and demonstrate the engine’s capability in stock form.

Post-Upgrade Performance

After the installation of the Dinan S55 Power Upgrade, the performance numbers showed a remarkable increase. The engine now produced 550 HP and 500 lb-ft of torque. This represents a gain of 106 HP and 94 lb-ft of torque, highlighting the effectiveness of the upgrade.

Driving Experience

Beyond the numbers, the driving experience with the Dinan S55 Power Upgrade is notably enhanced. Drivers report a more responsive throttle, smoother power delivery, and an overall exhilarating driving experience.

Key Improvements in Driving Dynamics

  • Improved acceleration and throttle response
  • Enhanced mid-range torque for better overtaking
  • Smoother power delivery across the RPM range
  • More engaging driving experience

These improvements contribute to a more enjoyable and dynamic driving experience, making the upgrade worthwhile for performance enthusiasts.

Conclusion

The Dinan S55 Power Upgrade successfully transforms the S55 engine from a capable 444 HP powerhouse into an exhilarating 550 HP beast. The performance testing demonstrates significant gains in both horsepower and torque, while the driving experience is markedly improved. For BMW enthusiasts looking to enhance their vehicle’s performance, the Dinan upgrade is a compelling option that delivers on its promises.

Final Thoughts

With its combination of quality components and expert tuning, Dinan has established itself as a leader in performance upgrades. The S55 Power Upgrade is a testament to their commitment to excellence, providing drivers with an unmatched performance experience.