K&N 57S-2003 Performance Airbox — Fits 07-09 BMW 335i N54

SKU: KNN57S-2003
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About K&N Engineering K&N has been the world's leader in ...Read More

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Sale price$349.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Boost Your BMW 335i (N54) with K&N 57S-2003 Performance Airbox

Enhance the performance of your 2007-2009 BMW 335i, powered by the N54 engine, with the K&N 57S-2003 Performance Airbox. This meticulously engineered system is designed to significantly reduce airflow restriction compared to the factory setup, allowing your engine to breathe more freely. By replacing the restrictive stock air filter and air box, the K&N Performance Airbox enables your engine to ingest a greater volume of air, leading to tangible gains in horsepower and acceleration across the entire RPM range.

Key Features and Advantages:

  • Improved Airflow: Dramatically reduces intake restriction for more efficient air delivery to the engine.
  • Increased Power & Acceleration: Experience a noticeable boost in performance and throttle response.
  • Fully Enclosed Design: Features an injection-molded air box that connects seamlessly to the factory intake hose.
  • Easy Filter Access: The removable lid provides convenient access for filter cleaning and maintenance.
  • Durable Construction: Built to last for the lifetime of your vehicle.
  • Lifetime Limited Warranty: Backed by K&N's No-Hassle Lifetime Limited Warranty for ultimate peace of mind.
  • Simple Installation: Designed to utilize the existing air box space and requires commonly available tools for installation.

The K&N 57S-2003 Performance Airbox is the ideal upgrade for BMW 335i owners seeking a reliable and effective way to improve their vehicle's performance. Get this premium part from GGCRACING and feel the difference.

Vehicle Fitment

Years Make Model Trim
2007-2009 BMW 335i Base
2009 BMW 335i xDrive Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Boost Your BMW 335i (N54) with K&N 57S-2003 Performance Airbox

Enhance the performance of your 2007-2009 BMW 335i, powered by the N54 engine, with the K&N 57S-2003 Performance Airbox. This meticulously engineered system is designed to significantly reduce airflow restriction compared to the factory setup, allowing your engine to breathe more freely. By replacing the restrictive stock air filter and air box, the K&N Performance Airbox enables your engine to ingest a greater volume of air, leading to tangible gains in horsepower and acceleration across the entire RPM range.

Key Features and Advantages:

  • Improved Airflow: Dramatically reduces intake restriction for more efficient air delivery to the engine.
  • Increased Power & Acceleration: Experience a noticeable boost in performance and throttle response.
  • Fully Enclosed Design: Features an injection-molded air box that connects seamlessly to the factory intake hose.
  • Easy Filter Access: The removable lid provides convenient access for filter cleaning and maintenance.
  • Durable Construction: Built to last for the lifetime of your vehicle.
  • Lifetime Limited Warranty: Backed by K&N's No-Hassle Lifetime Limited Warranty for ultimate peace of mind.
  • Simple Installation: Designed to utilize the existing air box space and requires commonly available tools for installation.

The K&N 57S-2003 Performance Airbox is the ideal upgrade for BMW 335i owners seeking a reliable and effective way to improve their vehicle's performance. Get this premium part from GGCRACING and feel the difference.

Vehicle Fitment

Years Make Model Trim
2007-2009 BMW 335i Base
2009 BMW 335i xDrive Base

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Boost Your BMW 335i (N54) with K&N 57S-2003 Performance Airbox

Enhance the performance of your 2007-2009 BMW 335i, powered by the N54 engine, with the K&N 57S-2003 Performance Airbox. This meticulously engineered system is designed to significantly reduce airflow restriction compared to the factory setup, allowing your engine to breathe more freely. By replacing the restrictive stock air filter and air box, the K&N Performance Airbox enables your engine to ingest a greater volume of air, leading to tangible gains in horsepower and acceleration across the entire RPM range.

Key Features and Advantages:

  • Improved Airflow: Dramatically reduces intake restriction for more efficient air delivery to the engine.
  • Increased Power & Acceleration: Experience a noticeable boost in performance and throttle response.
  • Fully Enclosed Design: Features an injection-molded air box that connects seamlessly to the factory intake hose.
  • Easy Filter Access: The removable lid provides convenient access for filter cleaning and maintenance.
  • Durable Construction: Built to last for the lifetime of your vehicle.
  • Lifetime Limited Warranty: Backed by K&N's No-Hassle Lifetime Limited Warranty for ultimate peace of mind.
  • Simple Installation: Designed to utilize the existing air box space and requires commonly available tools for installation.

The K&N 57S-2003 Performance Airbox is the ideal upgrade for BMW 335i owners seeking a reliable and effective way to improve their vehicle's performance. Get this premium part from GGCRACING and feel the difference.

Vehicle Fitment

Years Make Model Trim
2007-2009 BMW 335i Base
2009 BMW 335i xDrive Base

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