MMR Cotton Panel Air Filter for BMW N55 2011-2020 - MMR01-0102 - MMR Cotton panel air filter for BMW N55 Looking for a simple, power-boosting upgrade for your N55-Powered BMW? One of the easiest ways to upgrade the breathing abilities of your 3.0L lump. Fitting is very straightforward and installed in around 10 minutes, and easily returned to standard, should you ever wish. Improve your N55's airflow, and power gains will follow. By removing the inevitable restrictions that the standard paper panel filter gives, our panel filter allows a worthwhile increase in airflow through to the turbo. We've developed our own range of MMR Performance cotton gauze filters that easily drop into the OE airbox which provide excellent filtration properties, combined with instant performance increases and induction noise enhancements. Meanwhile, OEM-standards of design, quality, materials and construction means it fits like a factory part, lasts like a factory part. Sold as a pair. Put simply, we're confident that these are the best panel air filters you can buy. Features Worthwhile increase in power and torque. Fitting is very straightforward and installed in around 10 minutes. Easily returned to standard, should you ever wish. Specifically designed for the BMW N55. Completely washable and reusable. Kit complete with everything you need. Fitting Information Fitting is very straightforward and installed in around 10 minutes, and easily returned to standard, should you ever wish. Vehicle Fitment Series 1-Series 2-Series 3-Series 4-Series Chassis code F20 F21 F22 F23 F30 F31 F32 F33 Model year 2011 - 2020 Model variant M135i M235i 335i 435i Engine code N55