K&N KN-33-5101 Air Filter

K&N KN-33-5101 High-Performance Panel-Type Air Filter – KN-33-5101

The K&N KN-33-5101 panel-type air filter is a high-performance filter designed to fit directly into the OEM air box. Its reusable construction and advanced filtration technology protect your engine while increasing airflow for improved performance.

✅ Special cotton filter design for high airflow

✅ Cleanable and re-oilable construction for long life

✅ Superior performance compared to standard paper filters

✅ Exact fit for OEM air boxes

✅ Approximately 75,000 miles (120,000 km) service life

Provides more oxygen to the engine's air intake system, optimizing combustion. This translates into increased fuel efficiency and improved throttle response. Environmentally friendly design produces less waste than disposable filters.

Technical Specifications

- Filter type: Panel (drop-in)

- Filter material: Oiled cotton layer

- Length: 297 mm

- Width: 147 mm

- Height: 25 mm

- Cleaning interval: ~75,000 miles

Compatible Vehicles

- BMW 5 Series F10/F11 520i/528i/530i (2010–2016)

- BMW 6 Series F06/F12/F13 640i (2011–2018)

- BMW 7 Series F01/F02 740i/740Li (2009–2015)

- BMW X3 F25 28i (2011–2017)

- BMW X4 F26 28i (2014–2018)

- BMW Z4 E89 28i (2009–2016)

Installation

Easy to install by directly attaching to the OEM air box. No additional modifications or adapters required. Installation time is less than 5 minutes.

Note

Compatible only with the specified BMW engines. Ensure that your vehicle's engine type and air box dimensions are compatible.