K&N Sports Performance Panel Air Filter for BMW 4 Series 418i 2017+ (F32 F33 F36 F82) - High-Flow Cotton Gauze, Washable Reusable Drop-In OEM Fit Replacement for OE Airbox | Induction Intake Upgrade for 1.5 Turbo B38 | Lifetime Serviceable Filter

K&N Cotton Gauze Sports Panel Filter for BMW 418i F32 F33 F36 F82 2017+

Unlock smoother breathing and sharper response from your BMW 418i with this K&N direct-fit cotton panel element. Designed to increase airflow through the factory airbox, this serviceable filter helps your turbocharged four-cylinder feel more eager across the rev range while maintaining outstanding engine protection. It drops straight into the standard housing with no cutting, drilling or mapping required.

This is a cleanable, reusable upgrade that replaces throwaway paper elements. Wash it, re-oil it and refit for long-term performance and savings. Backed by K&N’s famous Million-Mile Limited Warranty, it is a fit-and-forget intake enhancement that supports strong, consistent on-road performance.

Why enthusiasts choose this intake upgrade

• Increased airflow to support improved throttle response and acceleration
• Premium multilayer cotton media with excellent dust capture for reliable engine protection
• Direct-fit panel element for the OE airbox. No tune or modifications required
• Washable and reusable for the life of the vehicle. Clean intervals up to 50,000 miles depending on use
• Compatible with factory sensors and electronics
• Cost-effective versus repeatedly buying disposable paper filters
• Backed by K&N’s Million-Mile Limited Warranty

Fitment

BMW 4 Series 418i 2017 on. Chassis codes: F32, F33, F36, F82. Direct replacement panel element for the original airbox.

Performance-focused keywords customers search for

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Real-world confidence

We run K&N filters on our own cars and customers consistently report crisper response, a subtle sportier induction note and the convenience of a serviceable filter they can maintain at home. It is a simple, proven way to optimise the breathing of your BMW 418i while keeping filtration performance high.

Fitting and support

Installation is straightforward. Prefer professional fitting or a quick health check of your intake system. Book with MJ Modifications in Warwickshire and we will take care of everything. To request a quote, email info@mjmodifications.co.uk.