K&N Sports Performance High-Flow Washable Panel Air Filter (K and N) for BMW 4 Series Diesel F32 F33 F36 F82 418d 420d 425d 2013-on | Reusable Drop-In OEM Replacement Induction/Intake Filter, Oiled Cotton Gauze, Lifetime Serviceable | N47/B47

K&N Sports Panel Filter for BMW 4 Series Diesel F32 F33 F36 F82 418d 420d 425d 2013 onwards

Give your BMW 4 Series a simple intake upgrade that you can feel. This K&N cotton gauze panel element slips straight into the factory airbox for sharper throttle response, stronger mid-range pull and long-term savings compared with throwaway paper filters. It is a direct-fit, serviceable intake filter designed for everyday use and spirited driving, delivering outstanding airflow while keeping engine protection front and centre.

Why this intake element stands out

• Direct fit in the original airbox - no cutting, drilling or mapping required
• Oiled cotton media with deep pleats for excellent breathing and dependable filtration
• Cleanable and reusable for the life of the vehicle - cut maintenance waste and costs
• Improves throttle response and drivability on diesel models
• Long cleaning intervals depending on conditions for hassle-free ownership
• Compatible with factory electronics and sensors
• Backed by K&N’s Million Mile Limited Warranty for peace of mind

Fitment

For BMW 4 Series diesel models from 2013 onwards, including:

• F32 Coupe - 418d, 420d, 425d
• F33 Convertible - 418d, 420d, 425d
• F36 Gran Coupe - 418d, 420d, 425d
• F82 as listed

Real-world results

We use these filters on our own cars and our customers consistently report crisper acceleration and smooth, consistent performance. It is an easy win for anyone wanting a quality induction upgrade with OEM fit and finish.

Installation and fitting

Home install takes minutes with basic tools. Prefer professional fitting or a health check while you are here? Book with MJ Modifications in Warwickshire and we will take care of everything. Request a fitting quote at info@mjmodifications.co.uk.

Save money and breathe easier

Unlike disposable paper elements, this serviceable intake filter is designed to be cleaned and re-oiled using a K&N recharge kit, helping reduce waste and offering superb long-term value without compromising engine safety.

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