K&N High-Flow Washable Panel Air Filter for BMW 3 Series Diesel F30 F31 F80 (316d 318d 320d 325d) 2012-on – Reusable Cotton Gauze Drop-In Engine Intake Filter, OE Airbox Replacement Upgrade

BMW 3 Series Diesel Panel Intake Filter Upgrade

Unlock smoother breathing and crisper throttle response from your 3 Series with this premium high‑flow panel intake element from K&N. Designed as a direct replacement for the standard paper insert, it slides straight into the factory airbox on the models listed below, delivering improved airflow while maintaining outstanding engine protection.

We have fitted this filter to numerous customer cars at MJ Modifications and the feedback has been consistently positive. Owners love the sharper pick‑up, the reusable design and the quality construction. If you want a simple, proven induction upgrade for daily driving and spirited use, this is a superb choice.

Why choose this high‑flow panel filter

• Enhanced intake efficiency for stronger mid‑range pull and more responsive acceleration
• Serviceable reusable cotton media helps reduce waste and running costs over time
• Low restriction design supports turbo diesel breathing without compromising filtration
• Direct replacement element fits the original OE airbox for a quick DIY install
• Compatible with factory MAF and sensors on standard electronics
• Extended cleaning intervals depending on driving conditions
• Backed by the manufacturer’s long‑term guarantee for peace of mind

Fitment

Suitable for the following BMW platforms and engines from 2012 onward:

• 3 Series F30 Saloon: 316d, 318d, 320d, 325d
• 3 Series F31 Touring: 316d, 318d, 320d, 325d
• F80 platform as listed

If you are unsure, please compare your existing filter shape and size with the manufacturer’s listing before ordering.

Real benefits, real value

• Reusable construction means you buy once and service as needed
• Excellent dust and particle capture with high airflow characteristics
• A subtle induction character under load while remaining refined on the motorway

Installation and care

Simple swap using basic tools. Retains the OEM airbox and mounting points. Clean and re‑oil with a suitable K&N service kit when required.

Prefer professional installation. Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Keywords customers search for

BMW 3 Series diesel panel filter, high flow intake element, reusable air filter upgrade, cotton gauze filter, induction upgrade F30 F31, 316d 318d 320d 325d filter, turbo diesel air filter replacement, washable BMW panel filter, performance intake filter for BMW 3 Series, OE airbox filter upgrade.

Add to basket today for a quality intake upgrade that is easy to fit, economical to maintain and proven with our customers.