ITG Profilter Foam Panel Air Filter for BMW M135i & M235i (F20 F21 F22, 2012+) - N55/N55B30A High-Flow Washable Drop-In Intake Filter - Reusable OEM Airbox Replacement, Sport Performance Induction Upgrade for BMW 1 Series & 2 Series

ITG Profilter foam panel element for BMW M135i and M235i

Give your N55-powered BMW the intake upgrade it deserves. This ITG Profilter reusable foam panel element is a direct-fit replacement for the standard paper insert in the stock air box, designed for BMW F20 and F21 M135i and F22 M235i models from 2012 onward with the N55B30A engine.

Built using ITG’s proven Tri-Foam construction and dust-retaining oil, this serviceable intake filter delivers excellent breathing and outstanding particle capture, combining road-going reliability with motorsport know-how drawn from Formula 1 and the World Rally Championship.

Key reasons enthusiasts choose this upgrade

• Direct fit to the factory airbox on BMW M135i F20 F21 and BMW M235i F22 with N55B30A
• Washable, reusable and long-life panel element that reduces waste and running costs
• Low restriction for smooth airflow and crisp throttle response
• Tri-Foam and oil system captures fine dust while maintaining flow, even as the filter loads with debris
• Motorsport-developed materials and construction for dependable performance on road or track
• No remap required and no trimming needed, simply swap with the factory insert

Real-world results

We run ITG Profilter on our own builds and supply it to countless M135i and M235i owners. Feedback is consistently positive on fit, quality and repeatable performance, making it a favourite intake filter upgrade for the BMW N55 platform.

Who is it for

Ideal for drivers who want a high-quality, serviceable induction filter that supports performance without ditching the OEM airbox. Perfect for daily-driven cars, fast road builds and occasional track use.

Fitment and search-friendly terms

• BMW M135i F20 air filter upgrade
• BMW M135i F21 performance intake filter
• BMW M235i F22 reusable panel filter
• N55 N55B30A foam induction element
• BMW F-series 1 Series and 2 Series serviceable air filter
• OEM airbox performance filter replacement for BMW N55
• ITG foam panel for BMW M135i M235i

Installation and care

Simple swap into the original airbox using basic tools. Maintain using the appropriate ITG cleaning and re-oiling products to keep filtration efficiency and airflow at their best.

Professional fitting

Want it fitted by experts? MJ Modifications in Warwickshire can install this part and provide setup advice. Request a fitting quote at info@mjmodifications.co.uk.