K&N 33-2367 High-Flow Air Filter for BMW 1/3/5 Series Z4 N54 3.0L

Vehicle Fitment

• 2006-2014 BMW 3-Series (E90/E91/E92/E93 335i/335xi/335is, 3.0L N54)
• 2007-2012 BMW 1-Series (E82/E88 135i, 1M Coupe, 3.0L N54)
• 2008-2010 BMW 5-Series (E60 535i/535xi, 3.0L N54)
• 2009-2016 BMW Z4 (E89 sDrive35i/sDrive35is, 3.0L N54/N55 variants where applicable)

Fitment Notes

• Designed specifically for BMW E-series factory airbox configurations
• Only compatible with turbocharged 3.0L inline-6 N54-based applications listed
• Fitment varies by chassis and production date; confirm exact engine code before installation

Features

• High-flow oiled cotton gauze filtration media for improved airflow
• Washable and reusable lifetime design
• Engineered to increase horsepower and acceleration response
• Multi-layer filtration structure for enhanced particle capture
• Drop-in replacement using OEM airbox (no modification required)
• Improved throttle response through reduced intake restriction
• Pre-oiled and ready for installation out of the box
• Backed by K&N lifetime limited warranty

Specifications

• Part Number: 33-2367
• Filter Type: Panel / Drop-in Engine Air Filter
• Filter Media: Oiled Cotton Gauze
• Position: Engine air intake (factory airbox replacement)
• Washable: Yes
• Reusable: Yes
• Service Interval: Up to ~50,000 miles (driving conditions dependent)

Included Components

• 1x K&N 33-2367 High-Flow Engine Air Filter

Product Description

The K&N 33-2367 High-Flow Air Filter is designed to replace the factory paper air filter in compatible BMW E-series vehicles. It uses K&N's signature oiled cotton gauze media to improve airflow while maintaining effective filtration, helping the engine breathe more efficiently under both normal and spirited driving conditions.

Built as a direct drop-in replacement, this filter installs into the OEM airbox with no modifications required. Its reusable design allows it to be cleaned and re-oiled, eliminating the need for frequent replacements and reducing long-term maintenance costs compared to traditional disposable filters.

This filter is ideal for BMW owners running turbocharged 3.0L N54-powered platforms such as the 135i, 335i, 535i, and Z4 35i variants who want improved throttle response, enhanced airflow, and a durable lifetime filtration solution designed for performance-oriented daily driving.