K&N BMW 335d Air Filter E90/E91/E92/E93 (2005-2012) - Performance Panel/Intake/Induction Filter, High-Flow Washable Reusable Cotton Gauze, Direct-Fit Drop-In OEM Airbox Replacement for 3 Series Diesel 3.0d

BMW 335d E9x Performance Panel Filter - Direct-Fit Cotton Gauze Upgrade

Give your 3 Series diesel a simple, proven breathing upgrade with this K&N premium cotton panel element. Designed to fit straight into the factory air box on BMW 335d models across the E90, E91, E92 and E93 range, it delivers freer airflow for sharper response, smoother pull through the revs and dependable engine protection. It is a quick, no-hassle improvement you can feel every day.

We run these filters on our own cars and customers consistently rate the improved responsiveness, subtle induction note and the long-term value of a cleanable, reusable element. Buy once, maintain it, and enjoy performance benefits for the life of the vehicle.

Why this upgrade works

• Direct-fit replacement for the factory paper insert - no cutting, no coding, no remap
• High flow oiled cotton media for excellent filtration with enhanced airflow
• Serviceable and reusable - clean, re-oil and refit for long-term savings
• Typical cleaning interval up to 50,000 miles depending on conditions
• Compatible with stock ECU and sensors - no check lights
• Backed by K&N’s Million Mile Limited Warranty
• Retains factory air box for OEM look and sound control

Vehicle compatibility

For BMW 3 Series 335d 2005 to 2012:

• E90 335d Saloon
• E91 335d Touring
• E92 335d Coupe
• E93 335d Convertible

Years covered: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012.

Installation and care

Swap out the disposable element and drop this cotton gauze panel into the original air box - it is that simple. When the time comes, clean and re-oil with a suitable recharge kit, then refit. No tuning required.

Who is it for

If you are searching for a BMW 335d air filter upgrade for the E90 E91 E92 E93, a diesel performance panel insert, a reusable cotton filter for the 3 Series, or a direct replacement induction filter for the factory air box, this K&N option is the trusted choice for everyday drivability and longevity.

Fitting service

Prefer professional installation? MJ Modifications in Warwickshire can fit this part for you. Request a quote at info@mjmodifications.co.uk.

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