K&N Washable Reusable Engine Air Filter Panel for BMW 5 Series F10 F11 F18 520i 528i Petrol N20 2.0 Turbo 2011-2017 – High-Flow Cotton Gauze Drop-In Replacement OE/OEM Airbox Insert, Performance Intake Induction Upgrade (K and N)

High-Flow Reusable Panel Insert for BMW F10 F11 F18 520i 528i Petrol 2011 to 2017 by K&N

Transform the way your 5 Series breathes with K&N’s premium cotton gauze panel insert. This direct-fit, serviceable upgrade drops straight into the factory air box on BMW 520i and 528i petrol models, unlocking smoother acceleration, sharper pedal response and a crisper induction note while maintaining outstanding engine protection. It is a smart, long-term performance upgrade for daily driving and fast road use.

Key advantages

• Designed to enhance acceleration and throttle response
• High-flow cotton media with excellent filtration efficiency
• Washable, oilable and reusable for the life of the vehicle
• Service intervals up to 50,000 miles depending on conditions
• Direct-fit element for the original air box, no remap required
• Compatible with factory sensors and electronics
• Backed by K&N’s Million Mile Limited Warranty

Real-world feedback

We run this upgrade on our own cars and our customers consistently report a more responsive feel, smoother mid-range pull and a subtle induction sound. It is a simple swap that delivers a noticeable improvement without compromising filtration.

Vehicle compatibility

Petrol 5 Series models with the original intake housing:

• F10 Saloon 520i and 528i 09/2011 to 2017
• F11 Touring 520i and 528i 09/2011 to 2017
• F18 Long Wheelbase 520i and 528i 09/2011 to 2017

Not suitable for diesel variants or models without the standard air box. Unsure on fitment for your registration or VIN? Email us and we will confirm before you buy.

Easy installation

Remove the disposable paper element and drop in the K&N panel insert. No cutting, no coding and no ECU changes required. When it is time to maintain it, use the official K&N cleaning and re-oiling kit and follow the manufacturer’s guidance for best results.

Professional fitting

Prefer a hassle-free install? Book expert fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

What you receive

• 1 x K&N high-flow, washable panel element for BMW 520i and 528i 2011 to 2017
• Manufacturer care and warranty information

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Need help

Have a question about compatibility or installation options? Contact MJ Modifications at info@mjmodifications.co.uk and our team will be happy to help.