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The B58 engine, known for its robust performance and tuning potential, has gained popularity among automotive enthusiasts. Upgrading to a Stage 2 turbo kit is a common modification that can significantly enhance power output. In this article, we will explore the power gains from a Stage 2 turbo kit, the supporting modifications needed, and the associated costs.
Understanding the B58 Engine
The B58 is a 3.0-liter inline-six engine developed by BMW, featuring a twin-scroll turbocharger and a host of advanced technologies. Its strong foundation allows for substantial power increases with the right modifications.
Power Gains from a Stage 2 Turbo Kit
A Stage 2 turbo kit typically includes a larger turbocharger, upgraded intercooler, and enhanced fueling components. These upgrades can lead to impressive power gains.
Expected Power Output
With a Stage 2 turbo kit, the B58 engine can achieve:
- Peak power output of 500+ horsepower
- Torque figures exceeding 600 lb-ft
Performance Metrics
In addition to raw power, performance metrics such as 0-60 mph times and quarter-mile times can improve significantly:
- 0-60 mph in under 3.5 seconds
- Quarter-mile times in the mid-11 second range
Supporting Modifications
To maximize the benefits of a Stage 2 turbo kit, several supporting modifications are recommended. These components ensure reliability and performance.
Recommended Supporting Mods
- Upgraded fuel injectors
- High-flow fuel pump
- Performance exhaust system
- ECU tuning
- Upgraded intercooler
Cost Considerations
The cost of upgrading to a Stage 2 turbo kit can vary widely based on the brand, components, and installation. Below is a breakdown of expected costs.
Cost Breakdown
- Stage 2 turbo kit: $3,000 – $5,000
- Supporting mods: $1,500 – $3,000
- Installation labor: $500 – $1,500
In total, enthusiasts can expect to spend between $5,000 and $10,000 for a comprehensive upgrade, depending on choices made.
Conclusion
Upgrading the B58 with a Stage 2 turbo kit offers significant power gains and performance improvements. Coupled with the right supporting modifications, the B58 can become a formidable powerhouse. However, it’s essential to consider the costs involved and plan accordingly for a successful upgrade.