Air Filters

High-flow panel and cone air filters designed to increase airflow, throttle response and induction noise for BMW models.

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K&N Air Filters | ECU Tuning | bootmod3 | Frequently Bought Items

FAQs
Do performance air filters improve power?

They can improve airflow and throttle response. Gains are small on their own, but noticeable when combined with tuning or exhaust upgrades.

Are performance air filters better than OEM?

Yes — high-flow filters are reusable, allow more airflow, and maintain performance better at high RPM compared to paper OEM filters.

Do I need to tune my BMW after installing an air filter?

No — air filters do not require tuning. They work perfectly with stock or modified vehicles.

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K&N Performance Panel High-Flow Air Filter – BMW N55 (M135i, M2, M235i, 335i, 435i)
K&N
K&N Performance Panel High-Flow Air Filter – BMW N55 (M135i, M2, M235i, 335i, 435i) Sale price£66.00 Regular price£79.00
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