turbocharger 49477-02003 49U77-02003 49477-02001 11657588938 11657635803

The turbocharger models 49477-02003, 49U77-02003, 49477-02001, 11657588938, 11657635803, 7588938-09, and 7588938-11 are specifically 

engineered for the 2011-09 BMW Z4 sDrive 28i (E89) equipped with the N20B20 engine. 

These turbochargers are designed to enhance the vehicle's performance, efficiency, 

and overall driving dynamics, making them an ideal choice for BMW enthusiasts looking to upgrade their Z4.

Key Features

Enhanced Performance: These turbochargers are designed to significantly improve the engine's power output by increasing the air intake, 

resulting in a more efficient combustion process. This leads to a noticeable increase in horsepower and torque, 

providing a more exhilarating driving experience.

Improved Fuel Efficiency: By optimizing the combustion process, these turbochargers help to enhance fuel efficiency. 

This is particularly beneficial for drivers looking to achieve better mileage without compromising on performance.

High Durability: Constructed with premium-quality materials, these turbochargers are built to withstand high temperatures and pressures, 

ensuring long-term reliability and performance. The robust construction ensures they can handle the demands of high-performance driving.

Exact Fitment: Designed to fit the 2011-09 BMW Z4 sDrive 28i with the N20B20 engine perfectly, these turbochargers offer a seamless installation process. 

The precision engineering ensures compatibility with the existing engine components, minimizing the need for modifications.

Enhanced Driving Experience: With these turbochargers installed, drivers can expect a more responsive throttle, quicker acceleration, 

and overall improved driving dynamics. 

The increased power and smoother power delivery make for a more enjoyable driving experience.

Technical Specifications

Part Numbers: 49477-02003, 49U77-02003, 49477-02001, 11657588938, 11657635803, 7588938-09, 7588938-11

Application: 2011-09 BMW Z4 sDrive 28i (E89)

Engine: N20B20

Material: High-strength steel and advanced alloys

Boost Pressure: Calibrated for optimal performance and fuel efficiency

Installation and Maintenance

Installation of these turbochargers requires a thorough understanding of automotive mechanics. It is highly recommended to have them installed 

by a certified professional to ensure proper fitment and operation. Regular maintenance, including oil changes and air filter replacements, 

is essential to maintain the turbochargers' performance and longevity. Routine inspections for signs of wear or damage will help 

in early detection and prevention of potential issues.

Conclusion

The turbocharger models 49477-02003, 49U77-02003, 49477-02001, 11657588938, 11657635803, 7588938-09, and 7588938-11 are top-tier 

components for the 2011-09 BMW Z4 sDrive 28i (E89) with the N20B20 engine. These turbochargers offer significant improvements in power, 

efficiency, and driving enjoyment, making them a valuable upgrade for any Z4 owner looking to enhance their vehicle's performance. 

With high durability and exact fitment, these turbochargers are a reliable choice for boosting your BMW's capabilities.

Availability

These turbochargers are available through a range of automotive parts suppliers and online retailers. 

It is crucial to purchase from trusted and reputable sources to ensure the authenticity and quality of the product. 

Always verify compatibility with your specific vehicle model and engine before making a purchase.