MMR Cotton panel air for BMW B48, B58 & B58TU Looking for a simple, power-boosting upgrade for your B48, B58 or B58TU-Powered BMW? One of the easiest ways to upgrade the breathing abilities of your BMW motor. Fitting is very straightforward and installed in around 10 minutes, and easily returned to standard, should you ever wish. Improve your BMW'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. Put simply, we're confident that this is the best panel air filter 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 BMW. Completely washable and reusable. Kit complete with everything you need. Available for the B48, B58 & B58TU. Additional Information Available for the B48, B58 & B58TU. F-Series & G-Series. Vehicle Fitment Series 1-Series 2-Series 3-Series 4-Series Chassis code F2x F3x G2x G4x Model year 2011+ Model variant 2.0L & 3.0L petrol variants Engine code B48 B58 B58TU