Skip to product information
1 of 6

K&N Replacement Air Filter | Multiple BMW Fitments (33-2231)

K&N Replacement Air Filter | Multiple BMW Fitments (33-2231)

SKU:33-2231

In stock

Regular price $57.22 USD
Regular price $68.99 USD Sale price $57.22 USD
kADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The K&N 33 Series Panel Red Air Filter is a high-performance replacement designed to fit multiple BMW models. Constructed with advanced layered, oiled cotton media, this washable and reusable filter enhances airflow and filtration efficiency. Its primary function is to improve engine response and overall efficiency by supporting better air intake. The durable design ensures long-lasting performance, making it an ideal upgrade for drivers seeking to optimize their vehicle's breathing capabilities. The filter's red color adds a sporty aesthetic, while its construction promotes increased airflow without sacrificing filtration quality.

This universal fitment filter is suitable for various BMW models, providing a direct replacement for stock filters. It is designed for use on vehicles where improved airflow and engine performance are desired, whether for street driving or spirited driving scenarios. Installation is straightforward, typically involving a simple drop-in replacement. The kit includes the filter element itself, with no additional components required. Compatible with a range of BMW engines, this filter supports enhanced engine response and efficiency across multiple model years.

Overview

K&N Engineering Replacement Air Filter

Part #: 33-2231

Overview

The K&N 33 Series Panel Red Air Filter is a high-performance replacement designed for a variety of BMW models. Crafted with advanced layered, oiled cotton media, this washable and reusable filter enhances airflow while effectively capturing contaminants. Its primary purpose is to support improved engine response and efficiency, making it an ideal upgrade for drivers seeking to optimize their vehicle's breathing capabilities. Built to last the lifespan of your vehicle, this filter offers a durable solution that combines performance with convenience, backed by K&N's No-Hassle Lifetime Limited Warranty. Easy to install, it fits seamlessly into your factory air box, providing a straightforward upgrade that requires no additional modifications.

Key Features

This high-flow air filter is engineered with premium materials and a thoughtful design to maximize airflow and filtration efficiency. Its features include:
  • High-quality oiled cotton media for superior filtration and airflow
  • Washable and reusable construction for long-term use
  • Durable frame designed for a precise fit
  • Easy installation into factory air boxes
  • Backed by K&N's lifetime warranty for peace of mind
  • Red color for a distinctive, sporty appearance

Construction & Design

The filter features a layered cotton media that is oiled to optimize airflow and contaminant capture. The robust frame ensures a secure fit, while the washable design allows for easy cleaning and maintenance, reducing the need for frequent replacements.

Performance & Response

Designed to improve airflow, this filter helps support better throttle response and engine efficiency. Its high-flow design promotes smoother air intake, which can contribute to a more responsive driving experience without compromising filtration.

Installation & Fitment

This drop-in replacement is engineered for straightforward installation into compatible factory air boxes. Verify fitment against your vehicle's specifications and the part number to ensure compatibility.

What’s Included

The package includes one high-flow, washable air filter designed for easy installation and long-term use.
View full details