K&N Washable High-Flow Panel Air Filter | BMW 3 Series Diesel (E90/E91/E92/E93) 325d 330d 2005–02/2010 | Reusable Drop-In OEM Replacement Performance Sport Intake Filter Upgrade (E9x)

Unlock smoother airflow and sharper response on your BMW 3 Series diesel with a premium high flow panel filter designed for the E9x platform. This reusable cotton element fits directly into the factory air box on BMW 325 d and 330 d models built from 2005 up to February 2010, giving your engine an easy breathing upgrade that complements everyday driving and tuned setups alike.

We run these on our own cars and customer builds at MJ Modifications, and the feedback is consistently positive. Expect a crisper throttle feel, stronger mid-range pull and a richer induction note, all while maintaining superb engine protection.

Why choose this performance panel filter

• Direct fit in the OEM airbox. No cutting, no mapping, no hassle.
• Multi-layer oiled cotton media delivers excellent airflow with outstanding filtration to safeguard turbos and MAF sensors.
• Reusable and serviceable. Clean and re-oil instead of buying disposable filters.
• Long service interval. In typical road use it can go up to 50,000 miles between cleans, depending on conditions.
• Backed by K&N’s famous long-term warranty for peace of mind.
• Works seamlessly with factory electronics and emissions equipment.

Fitment

Compatible with BMW 3 Series diesel models on the E9x chassis:

• E90 Saloon 325 d and 330 d
• E91 Touring 325 d and 330 d
• E92 Coupe 325 d and 330 d
• E93 Convertible 325 d and 330 d

Model years: 2005 to early 2010 (up to 02/2010). If you are unsure about your build date or airbox type, contact us and we will confirm compatibility.

Benefits you can feel

• Improved intake flow for more responsive acceleration
• Enhanced induction sound without drone
• Cost-saving lifetime filter. Clean, re-oil and refit
• A great match for remaps, DPF-back exhausts and general maintenance upgrades

Ideal search terms

BMW 3 Series diesel intake filter, high flow panel filter, sports air filter element, reusable cotton filter, performance intake upgrade, E90 diesel air filter, E92 high flow filter, BMW 325 d air filter, BMW 330 d air filter, E9x intake upgrade, washable panel filter, serviceable air filter, induction upgrade.

Installation and support

Home installation typically takes minutes with basic tools. Prefer a professional fit and inspection of your intake system. Book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and availability.

Note: This listing is for the OE-size panel element only. Always follow the manufacturer’s cleaning and re-oiling procedures for best results.