K&N High-Flow Washable Reusable Panel Air Filter for BMW 3 Series E46 Diesel 1998–2005 | 320d, 320Cd, 320td Compact | Drop-In OE Replacement Cotton Gauze Performance Induction Filter | Fits 2.0d M47/M47N Airbox

K&N Reusable Panel Intake Filter Upgrade for BMW E46 Diesel 320d, 320Cd, 320td Compact 1998 to 2005

Give your diesel-powered E46 the breathing it deserves with this genuine K&N reusable panel element. It slots straight into the factory air box on the BMW 320d, 320Cd and 320td Compact, improving intake airflow for crisper throttle response and punchier acceleration while maintaining excellent engine protection. It is a simple, low-cost intake enhancement that you will feel every time you drive.

We run these filters on our own shop cars and customer feedback has been superb. Drivers consistently praise the sharper pick-up, smoother revs and a richer induction note under load. If you want a quality direct-fit intake element that you can clean and refit again and again, this K&N is the smart choice.

Key reasons enthusiasts choose this K&N panel element

• Direct replacement for the OEM paper cartridge on BMW E46 diesel 320d, 320Cd and 320td Compact
• High airflow cotton gauze media with excellent filtration for strong performance and engine safety
• Serviceable and reusable design helps reduce waste and ongoing maintenance costs
• No ECU changes required and fully compatible with factory electronics
• Typically long service intervals depending on use and environment
• Backed by the K&N Million Mile Limited Warranty

Fitment and compatibility

Designed for BMW 3 Series E46 diesel models from 1998 to 2005 including 320d, 320Cd and 320td Compact. This direct-fit intake panel element replaces the standard disposable filter in the original air box, making it an ideal upgrade for daily drivers and tuned builds alike.

Installation and care

DIY friendly. Open the air box, remove the old paper element and drop in the K&N. When it becomes dirty, clean and re-oil with the appropriate K&N service kit, then refit. Reusing the same filter over time helps you save money and cut down on consumables.

Professional fitting

Prefer us to install it for you or want it fitted alongside other upgrades. MJ Modifications in Warwickshire can help. Request a quote at info@mjmodifications.co.uk.

What is included

One genuine K&N reusable panel intake filter for BMW E46 diesel models listed above.

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