Performance Air Filter for BMW 1 Series F20 / F21 (2011-2019)

High-Velocity Air Filtration for the BMW F20 & F21 Chassis

Who It’s For: Engineered for BMW 1 Series owners running the N13, N20, N47, and B47 powerplants who are tired of the stock sluggishness caused by restrictive factory paper elements.

The Symptom: The factory air intake on the BMW F20 and F21 is designed to prioritize cabin silence and long service intervals over pure engine efficiency. The stock paper filter is dense, leading to a significant pressure drop across the intake tract. This restriction forces your turbocharger to work harder to pull air through, resulting in increased intake temperatures and a noticeable lag in throttle response when you’re trying to power out of a corner or merge onto the highway.

The Engineering Fix: This BMC performance filter replaces that restrictive paper with a multi-layered cotton gauze system, soaked in low-viscosity oil and reinforced by an epoxy-coated alloy mesh. By utilizing a "Full Moulding" production system, the filter is created from a single mold with no welded joints, eliminating potential weak points.

The result is a filtration surface capable of capturing impurities as small as 7 microns—significantly better than the 10-micron standard of OEM filters—while vastly increasing the air velocity into the combustion chamber.

Why Mechanics Choose This Kit

• Enhanced Volumetric Efficiency: By reducing the intake restriction, your engine can achieve a higher air-to-fuel density, which directly translates to improved torque delivery across the mid-range of the powerband.
• Superior Filtration Chemistry: The multi-layered cotton gauze isn’t just about flow; the low-viscosity oil coating creates a "tack" that traps micro-particulates without blocking the airflow path.
• Lifetime Durability: Unlike disposable paper filters that end up in a landfill, this unit is fully regenerable. It can be washed and re-oiled using a BMC service kit, maintaining its performance for the life of the vehicle.

Technical Specifications

Compatibility & OEM Reference

Fits the following vehicles (BMC fitment data):

• BMW 1 Series (F20,F21) 114d (95 HP) | 2012-2019
• BMW 1 Series (F20,F21) 114d (95 HP) | 2015-2019
• BMW 1 Series (F20,F21) 114i (102 HP) | 2012-2015
• BMW 1 Series (F20,F21) 116d (116 HP) | 2011-2015
• BMW 1 Series (F20,F21) 116d (116 HP) | 2015-2019
• BMW 1 Series (F20,F21) 116i (136 HP) | 2011-2015
• BMW 1 Series (F20,F21) 116i (109 HP) | 2015-2019
• BMW 1 Series (F20,F21) 118d (143 HP) | 2011-2015
• BMW 1 Series (F20,F21) 118d (150 HP) | 2015-2019
• BMW 1 Series (F20,F21) 118i (170 HP) | 2011-2015
• BMW 1 Series (F20,F21) 118i (136 HP) | 2015-2019
• BMW 1 Series (F20,F21) 120d (163 HP) | 2011-2015
• BMW 1 Series (F20,F21) 120d (184 HP) | 2011-2015
• BMW 1 Series (F20,F21) 120d (190 HP) | 2015-2019
• BMW 1 Series (F20,F21) 120i (177 HP) | 2015-2016
• BMW 1 Series (F20,F21) 125d (211 HP) | 2012-2015
• BMW 1 Series (F20,F21) 125d (218 HP) | 2012-2015
• BMW 1 Series (F20,F21) 125d (224 HP) | 2015-2019
• BMW 1 Series (F20,F21) 125i (224 HP) | 2016-2019
• BMW 1 Series (F20,F21) 125i (218 HP) | 2012-2016
• BMW 2 Series (F22,F23,F87) 218d (143 HP) | 2013-2015
• BMW 2 Series (F22,F23,F87) 218d (150 HP) | 2015-2020
• BMW 2 Series (F22,F23,F87) 218i (136 HP) | 2015-2020
• BMW 2 Series (F22,F23,F87) 220d (184 HP) | 2013-2014
• BMW 2 Series (F22,F23,F87) 220d (190 HP) | 2014-2020
• BMW 2 Series (F22,F23,F87) 220i (184 HP) | 2014-2020
• BMW 2 Series (F22,F23,F87) 225d (218 HP) | 2013-2015
• BMW 2 Series (F22,F23,F87) 225d (224 HP) | 2015-2019
• BMW 2 Series (F22,F23,F87) 228i (245 HP) | 2014-2016
• BMW 3 Series (F30,F31,F80) 316d (116 HP) | 2012-2019
• BMW 3 Series (F30,F31,F80) 316i (136 HP) | 2012-2016
• BMW 3 Series (F30,F31,F80) 318d (143 HP) | 2012-2016
• BMW 3 Series (F30,F31,F80) 318d (150 HP) | 2015-2019
• BMW 3 Series (F30,F31,F80) 318i (136 HP) | 2015-2019
• BMW 3 Series (F30,F31,F80) 320d (184 HP) | 2011-2016
• BMW 3 Series (F30,F31,F80) 320d (190 HP) | 2015-2019
• BMW 3 Series (F30,F31,F80) 320d ED (163 HP) | 2011-2019
• BMW 3 Series (F30,F31,F80) 320i (184 HP) | 2012-2019
• BMW 3 Series (F30,F31,F80) 320i ED (170 HP) | 2012-2015
• BMW 3 Series (F30,F31,F80) 320iX (184 HP) | 2012-2015
• BMW 3 Series (F30,F31,F80) 325d (218 HP) | 2013-2016
• BMW 3 Series (F30,F31,F80) 325d (224 HP) | 2016-2019
• BMW 3 Series (F30,F31,F80) 328i (245 HP) | 2012-2015
• BMW 3 Series (F30,F31,F80) 328iX (245 HP) | 2012-2015
• BMW 3 Series (F30,F31,F80) [American Market] 328d (180 HP) | 2012-2015
• BMW 3 GT (F34) 318d Gran Tourismo (143 HP) | 2013-2015
• BMW 3 GT (F34) 318d Gran Tourismo (150 HP) | 2015-2020
• BMW 3 GT (F34) 320d Gran Tourismo (184 HP) | 2013-2015
• BMW 3 GT (F34) 320d Gran Tourismo (190 HP) | 2015-2020
• BMW 3 GT (F34) 320i Gran Tourismo (184 HP) | 2013-2020
• BMW 3 GT (F34) 325d Gran Tourismo (218 HP) | 2013-2016
• BMW 3 GT (F34) 325d Gran Tourismo (224 HP) | 2016-2018
• BMW 3 GT (F34) 328i Gran Tourismo (245 HP) | 2013-2016
• BMW 4 Series (F32,F33,F36,F82) 418d (136 HP) | 2014-2017
• BMW 4 Series (F32,F33,F36,F82) 418d (143 HP) | 2014-2015
• BMW 4 Series (F32,F33,F36,F82) 418d (150 HP) | 2015-2017
• BMW 4 Series (F32,F33,F36,F82) 418i (136 HP) | 2015-2017
• BMW 4 Series (F32,F33,F36,F82) 420d (163 HP) | 2013-2015
• BMW 4 Series (F32,F33,F36,F82) 420d (184 HP) | 2013-2015
• BMW 4 Series (F32,F33,F36,F82) 420d (190 HP) | 2015-2020
• BMW 4 Series (F32,F33,F36,F82) 420i (184 HP) | 2013-2021
• BMW 4 Series (F32,F33,F36,F82) 425d (218 HP) | 2014-2016
• BMW 4 Series (F32,F33,F36,F82) 425d (224 HP) | 2016-2017
• BMW 4 Series (F32,F33,F36,F82) 428i (245 HP) | 2013-2016

OEM Cross Reference (BMC): BMW 13717630911, 13718507320, 13718511668

The Performance Promise

Buy with confidence. We understand the intricacies of the BMW intake system. This is a direct-fit component that requires no modification to your airbox. Backed by real automotive experts and fast shipping.

Common Questions

Which BMW 1 Series does it fit?
BMC lists the F20 / F21 1 Series 114i-125i and 114d-125d, 2011-2019. The same part also fits the F22 2 Series, F30 / F34 3 Series and F32 4 Series four-cylinders.

Is it a direct fit?
Yes. It replaces the factory element in the stock airbox with no modifications.

Can I clean and reuse it?
Yes. Wash and re-oil it with a BMC regeneration kit.

How fine is the filtration?
The multi-layer oiled cotton traps particles down to 7 microns.

What will I notice after installing it?
Sharper throttle response and a stronger intake sound.