MMR Panel Filter Blue Cotton N55 Engine M135/M235/335/435/M2

High-Flow Blue Cotton Intake Filter for BMW N55 Models

Unlock sharper throttle response, stronger mid-range pull and a richer turbo soundtrack with this premium MMR high-flow cotton intake element. Designed as a direct-swap for the factory filter in the original airbox, it gives your turbocharged straight six the airflow it deserves while maintaining excellent dust and particle control. Reusable and washable, this is a long-term upgrade for enthusiasts who want performance without compromise.

Compatible BMW Models

Suits N55-powered cars using the stock airbox, including:

• 1 Series M135i F20 F21
• 2 Series M235i F22 F23
• 3 Series 335i F30 F31 F34
• 4 Series 435i F32 F33 F36
• M2 N55 F87

Why upgrade to this cotton filter

• Improved airflow for faster turbo spool and crisper throttle response
• Enhanced intake note for a sportier driving experience
• Direct fit in the factory airbox with no mapping required
• Washable and reusable cotton gauze media for long service life
• Maintains strong filtration efficiency to protect your engine

Construction and service

The multi-layer blue cotton gauze element is engineered to maximise surface area and reduce restriction while still capturing fine contaminants. It is fully cleanable, making it a cost-effective upgrade over one-time-use paper filters. Simply clean and refit at regular service intervals depending on driving conditions.

What you will feel

On-road, expect a more eager pick-up, smoother revs and a deeper induction tone under load. We run this filter on our own N55 cars and our customers consistently report a more responsive drive with zero fuss installation.

Installation

Direct replacement for the standard element in the original airbox. If you would like professional fitting, we can help. Book with MJ Modifications in Warwickshire. For a fitting quote, email info@mjmodifications.co.uk.

Search-friendly fitment terms

BMW N55 intake upgrade, M135i filter upgrade, M235i performance intake element, 335i high flow filter, 435i reusable cotton filter, M2 N55 intake filter, F20 F21 F22 F23 F30 F31 F32 F36 F87 direct fit filter, stock airbox performance filter, turbo intake sound upgrade, throttle response improvement.

Choose this MMR cotton intake element for a simple bolt-in breathing upgrade that delivers everyday drivability with a genuine performance feel.