K&N Engineering Performance Airbox for BMW E90/91/93 335i N54 Engine Part Number 57S-2003

The K&N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your engine to inhale more air than with the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. A fully enclosed injection molded air box connects to the factory air intake hose. The removable lid provides easy access to the filter when cleaning is required. This performance air box is relatively easy to install. The required tools are commonly available and it uses the previous air box space. These air box systems are built to last for the life of your vehicle and they're backed by K&N's No-Hassle Lifetime Limited Warranty. Some K&N 57S Series Performance Airboxes are compliant with the latest TUV emissions and sound regulations. Check the K&N catalog or website for vehicle applications and specific TUV status for each vehicle and air intake. K&N's easy-to-install performance air box replaces the restrictive factory air filter and air intake housing delivering a power gain. This power boosting air intake comes with K&N's No-Hassle Lifetime Limited Warranty.

• K&N No-Hassle Lifetime Limited Warranty

Upgrade your BMW 335i with the K&N Engineering Performance Airbox designed specifically for models from 2007 to 2009. This high-performance air intake system replaces the factory air filter and housing to significantly reduce airflow restriction, allowing your engine to breathe more freely. The fully enclosed, injection-molded air box connects seamlessly to the factory intake hose, ensuring a secure fit while enhancing airflow efficiency. The removable lid provides easy access for filter maintenance, making cleaning and replacement straightforward. Installing this airbox is relatively simple, utilizing the existing space of the stock assembly and requiring common tools, making it a practical upgrade for enthusiasts seeking increased power and acceleration across the engine's RPM range. Built to last for the lifespan of your vehicle, the K&N Performance Airbox is backed by the company's No-Hassle Lifetime Limited Warranty, offering peace of mind with every upgrade. Some variants are compliant with the latest TUV emissions and sound regulations; check K&N's catalog or website for specific vehicle applications and TUV status. This airbox provides a notable improvement in airflow, which translates into more horsepower and torque, enhancing driving experience without compromising reliability or emissions compliance. Designed with quality and durability in mind, it is a reliable choice for those looking to optimize their BMW 335i's performance while maintaining factory-like fitment and ease of service.

Features:

• Reduces airflow restriction for improved engine breathing

• Fully enclosed, injection-molded plastic air box for durability

• Removable lid for easy filter access and maintenance

• Simple installation using existing factory space and common tools

• Backed by K&N's No-Hassle Lifetime Limited Warranty

• Designed to boost power and acceleration across RPM range

• Some models compliant with TUV emissions and sound regulations

Fitment:
2007 BMW 335i Base
2008 BMW 335i Base
2009 BMW 335i Base
2009 BMW 335i xDrive Base

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: false
Units Per Sku: 1