K&N Performance Engine Air Filter, Washable Reusable Panel Filter for BMW 3 Series GT Gran Turismo F34 330d 335d Diesel (2014+) | Drop-In OEM Replacement | High-Flow Cotton Gauze | Fits Stock Airbox (incl. xDrive)

K&N Reusable Panel Filter for BMW 3 Series Gran Turismo F34 330d and 335d (2014 onwards)

Give your diesel BMW 3 Series Gran Turismo the breathing room it deserves. This K&N performance panel element is a direct-fit upgrade for the F34 330d and 335d, delivering freer intake flow, sharper pedal response and stronger mid‑range pull while maintaining superb filtration to protect your engine mile after mile.

Built with multi‑layered cotton media and a precision moulded frame, the serviceable filter slots into the stock airbox with a factory‑tight seal. No software changes required, no warning lights, and it plays perfectly with the car’s sensors and electronics. Clean, re‑oil, refit and enjoy long‑term savings versus throwaway paper elements.

Key advantages

• Direct-fit panel element for BMW F34 3 Series Gran Turismo: 330d and 335d diesel (2014 on)
• Freer flowing intake for crisper throttle response and more eager acceleration
• Premium oiled cotton media for outstanding dust capture and engine protection
• Rechargeable and reusable; reduce waste and running costs over the life of the vehicle
• Long service intervals between cleans (up to 50,000 miles, driving conditions dependent)
• Compatible with the stock airbox, MAF sensor and OEM electronics
• Backed by K&N’s long-term limited warranty for peace of mind

Fitment and compatibility

Designed for BMW 3 Series GT (F34) diesel models:
• 330d GT
• 335d GT
Model years 2014 onward with the standard airbox. If you’re unsure about compatibility, contact us and we’ll confirm fit before you buy.

Real-world results

We fit these filters on our own cars and customer builds at MJ Modifications. Feedback has been consistently positive for quality, fit and tangible drivability gains, especially improved pick‑up and smoother turbo spool on the 3.0 diesel engines.

Installation and care

Simple DIY swap using basic hand tools. Prefer a professional install? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

When the element looks dirty, clean and re‑oil with a K&N service kit and refit. Always follow K&N’s care instructions for optimum airflow and filtration.

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