Performance Air Filter for BMW 1 Series / 2 Series / X1 / X2 (2014-2021)

High-Flow Performance Induction: BMC Filter for BMW B38, B47, & B48 Engine Platforms

Who It’s For: Engineered for BMW 1 Series, 2 Series, X1, and X2 owners running the B38 (3-cylinder), B47 (Diesel), and B48 (4-cylinder) modular powerplants who want to optimize their turbo’s efficiency without a noisy open-intake setup.

The Symptom: The factory airbox on your BMW is actually quite well-engineered, but it’s handicapped by a restrictive, thick paper filter. This OEM paper element is designed for maximum noise suppression and long service intervals, but it creates a significant pressure drop across the intake tract. When you’re merging onto the highway or asking for peak boost, your turbocharger has to work harder to "suck" air through that dense paper wall, leading to increased wastegate duty cycles and a softer throttle response.

The Engineering Fix: This BMC performance filter replaces that restrictive paper barrier with a multi-layered cotton gauze system soaked in low-viscosity oil. By utilizing a "Full Moulding" production process, the filter features a single-piece construction without welded joints, ensuring no air bypasses the seal. The fluid dynamics are simple: the cotton gauze allows for a much higher CFM (Cubic Feet per Minute) while actually improving filtration down to 7 microns. This results in a more immediate pressure equalization in the intake manifold, giving your B-series engine a sharper "snap" when you tip into the throttle.

Why Mechanics Choose This Kit

• Optimized Air Density: By reducing the intake restriction, we allow the turbo to reach target boost faster and with less effort, which is critical for the B38 and B48 modular engines.
• Superior Filtration: Unlike many "performance" filters that let dirt through, this BMC unit filters down to 7 microns, outperforming the 10-micron standard of most OEM paper filters.
• Lifetime Durability: Constructed with epoxy-coated alloy mesh, this filter is resistant to fuel fumes and moisture. It is fully washable and rechargeable, meaning it’s the last filter you’ll ever buy for this chassis.

Technical Specifications

Interchange Part Numbers:

FB813/01, B37C15A, B47D20B, B38A15A, B47C20B, B38A15, B38B15A, B47C20A, B48B20A, B48A20B, B46A20B, B48A20A, B32S15A, B47C20

The Performance Promise

Buy with confidence. At our shop, we only carry components that improve the mechanical efficiency of your vehicle. This is a simple, 5-minute install that lets your BMW breathe the way the engineers intended before the bean-counters got involved. Backed by real automotive experts and fast shipping.

Compatibility

BMW 1 (F40) 116d – 116hp – 2019 >
BMW 1 (F40) 116i – 109hp – 2020 >
BMW 1 (F40) 118d – 150hp – 2019 >
BMW 1 (F40) 118i – 140hp – 2019 >
BMW 1 (F40) 120d – 190hp – 2019 >
BMW 1 (F40) 120i – 178hp – 2020 >
BMW 1 (F40) 128ti – 245hp – 2020 >
BMW 2 Active Tourer (F45) 214d – 95hp – 2014 > 2016
BMW 2 Active Tourer (F45) 216d – 116hp – 2014 > 2021
BMW 2 Active Tourer (F45) 216i – 102hp – 2015 > 2018
BMW 2 Active Tourer (F45) 216i – 109hp – 2018 > 2020
BMW 2 Active Tourer (F45) 218d – 150hp – 2014 > 2021
BMW 2 Active Tourer (F45) 218i – 136hp – 2014 > 2021
BMW 2 Active Tourer (F45) 218i – 140hp – 2018 > 2020
BMW 2 Active Tourer (F45) 220d – 190hp – 2014 > 2021
BMW 2 Active Tourer (F45) 220i – 178hp – 2020 > 2021
BMW 2 Active Tourer (F45) 220i – 192hp – 2014 > 2020
BMW 2 Active Tourer (F45) 225i – 231hp – 2014 > 2021
BMW 2 Active Tourer (F45) 225Xe – 220hp – 2020 > 2021
BMW 2 Active Tourer (F45) 225Xe – 224hp – 2016 > 2020
BMW 2 Gran Coupe (F44) 216d – 116hp – 2020 > 2024
BMW 2 Gran Coupe (F44) 216i – 109hp – 2022 > 2024
BMW 2 Gran Coupe (F44) 218d – 150hp – 2020 > 2024
BMW 2 Gran Coupe (F44) 218i – 136hp – 2020 > 2024
BMW 2 Gran Coupe (F44) 218i – 140hp – 2020 > 2021
BMW 2 Gran Coupe (F44) 220d – 163hp – 2019 > 2024
BMW 2 Gran Coupe (F44) 220d – 190hp – 2020 > 2024
BMW 2 Gran Coupe (F44) 220i – 178hp – 2020 > 2024
BMW 2 Gran Coupe (F44) 228i – 231hp – 2019 > 2024
BMW 2 Gran Tourer (F46) 214d – 95hp – 2015 > 2018
BMW 2 Gran Tourer (F46) 216d – 116hp – 2015 > 2022
BMW 2 Gran Tourer (F46) 216i – 102hp – 2015 > 2018
BMW 2 Gran Tourer (F46) 216i – 109hp – 2018 > 2022
BMW 2 Gran Tourer (F46) 218d – 150hp – 2015 > 2022
BMW 2 Gran Tourer (F46) 218i – 136hp – 2015 > 2022
BMW 2 Gran Tourer (F46) 218i – 140hp – 2017 > 2020
BMW 2 Gran Tourer (F46) 220d – 190hp – 2015 > 2022
BMW 2 Gran Tourer (F46) 220i – 178hp – 2020 > 2022
BMW 2 Gran Tourer (F46) 220i – 192hp – 2015 > 2020
BMW X1 (F48) 16d – 116hp – 2015 >
BMW X1 (F48) 18d – 150hp – 2015 >
BMW X1 (F48) 18i – 136hp – 2015 > 2018
BMW X1 (F48) 18i – 140hp – 2017 >
BMW X1 (F48) 20d – 190hp – 2015 >
BMW X1 (F48) 20i – 178hp – 2020 >
BMW X1 (F48) 20i – 192hp – 2015 >
BMW X1 (F48) 25d – 231hp – 2015 >
BMW X1 (F48) 25e – 125hp – 2020 >
BMW X1 (F48) 25e – 220hp – 2020 >
BMW X1 (F48) 25i – 231hp – 2015 >
BMW X1 (F48) 28i – 231hp – 2015 >
BMW X2 (F39) 16d – 116hp – 2018 >
BMW X2 (F39) 18d/dX – 136hp – 2018 >
BMW X2 (F39) 18d/dX – 150hp – 2018 >
BMW X2 (F39) 18i – 140hp – 2018 >
BMW X2 (F39) 20dx – 163hp – 2018 >
BMW X2 (F39) 20dx – 190hp – 2018 >
BMW X2 (F39) 20i/iX – 178hp – 2020 >
BMW X2 (F39) 20i/iX – 192hp – 2018 > 2020
BMW X2 (F39) 25dX – 231hp – 2018 >
BMW X2 (F39) 25ex – 125hp – 2020 >
BMW X2 (F39) 25ex – 220hp – 2020 >
BMW X2 (F39) 28i/iX – 231hp – 2018 >