K&N E-2021 Replacement Air Filter for BMW - High Flow, Washable, Reusable
Upgrade your BMW’s breathing with the K&N E-2021 replacement air filter. This high-flow, washable and reusable K&N panel filter is a direct drop-in upgrade for the standard paper element, delivering improved airflow, crisp throttle response and long-lasting performance. Perfect for daily driving and spirited road use, the K&N E-2021 is a cost-effective, eco-friendly intake upgrade for popular BMW petrol models.
Part Number: E-2021
Why choose the K&N E-2021 BMW replacement air filter
- High-flow cotton gauze filter media for enhanced airflow and response
- Washable and reusable panel filter - designed for long service life
- Direct replacement for the OEM air filter - no modification required
- Durable construction, quality K&N performance and filtration
- Great value versus repeatedly buying disposable paper filters
We run this K&N E-2021 filter on our own cars and have installed it for many Nforcd customers. Feedback has been consistently positive, praising the easy fit, quality feel and sharper throttle response. If you want a simple intake upgrade for your BMW 1 Series, 3 Series or X1, the K&N E-2021 is a proven choice.
Compatibility - K&N E-2021 BMW fitment guide
Please use our compatibility checker to double confirm fitment for your exact car. If you need help, email sales@nforcd.com.
BMW 1 Series
-
116i
- E81 1.6 (85 kW / 115 hp) 2007-2011
- E81 1.6 (90 kW / 122 hp) 2007-2011
- E81 2.0 (90 kW / 122 hp) 2008-2011
- E87 1.6 (85 kW / 115 hp) 2003-2011
- E87 1.6 (90 kW / 122 hp) 2007-2011
- E87 2.0 (90 kW / 122 hp) 2009-2011
-
118i
- E81 2.0 (100 kW / 136 hp) 2006-2011
- E81 2.0 (105 kW / 143 hp) 2006-2011
- E88 2.0 (100 kW / 136 hp) 2008-2013
- E88 2.0 (105 kW / 143 hp) 2008-2013
- E87 2.0 (95 kW / 129 hp) 2004-2007
- E87 2.0 (100 kW / 136 hp) 2006-2011
- E87 2.0 (105 kW / 143 hp) 2006-2011
- E87 2.0 (125 kW / 170 hp) 2007-2007
-
120i
- E81 2.0 (115 kW / 156 hp) 2006-2011
- E81 2.0 (120 kW / 163 hp) 2006-2011
- E81 2.0 (125 kW / 170 hp) 2006-2011
- E82 2.0 (115 kW / 156 hp) 2009-2013
- E82 2.0 (125 kW / 170 hp) 2007-2013
- E88 2.0 (115 kW / 156 hp) 2008-2013
- E88 2.0 (120 kW / 163 hp) 2008-2013
- E88 2.0 (125 kW / 170 hp) 2008-2013
- E87 2.0 (110 kW / 150 hp) 2003-2011
- E87 2.0 (115 kW / 156 hp) 2003-2011
- E87 2.0 (120 kW / 163 hp) 2006-2011
- E87 2.0 (125 kW / 170 hp) 2006-2011
BMW 3 Series
-
316i
- E90 1.6 (85 kW / 116 hp) 2005-2011
-
318i
- E90 2.0 (95 kW / 129 hp) 2005-2007
- E90 2.0 (100 kW / 136 hp) 2007-2011
- E90 2.0 (105 kW / 143 hp) 2007-2011
- E91 2.0 (95 kW / 129 hp) 2006-2007
- E91 2.0 (100 kW / 136 hp) 2007-2012
- E91 2.0 (105 kW / 143 hp) 2007-2012
- E92 2.0 (105 kW / 143 hp) 2010-2013
- E93 2.0 (105 kW / 143 hp) 2010-2013
- G20 115 kW / 156 hp 2020+
- G21 115 kW / 156 hp 2020+
-
320i
- E90 2.0 (110 kW / 150 hp) 2004-2007
- E90 2.0 (115 kW / 156 hp) 2007-2011
- E90 2.0 (120 kW / 163 hp) 2007-2011
- E90 2.0 (125 kW / 170 hp) 2007-2011
- E91 2.0 (110 kW / 150 hp) 2005-2012
- E91 2.0 (125 kW / 170 hp) 2007-2012
- E92 2.0 (125 kW / 170 hp) 2007-2013
- E93 2.0 (125 kW / 170 hp) 2006-2013
-
320si
- E90 2.0 (127 kW / 173 hp) 2005-2006
-
320i xDrive
- G20 135 kW / 184 hp 2019+
BMW X Series
-
X1 18i
- E84 2.0 (110 kW / 150 hp) 2010-2015
-
X1 20i
- E84 2.0 (135 kW / 184 hp) 2011-2015
Compatibility check before dispatch
To ensure the K&N E-2021 air filter fits your vehicle, we run a compatibility check prior to dispatch. Provide your UK registration or the last 7 characters of your VIN at checkout and we will confirm fitment.
Fitting and support
Professional installation available at Nforcd in Warwickshire. For a fitting quote or advice, contact sales@nforcd.com.
Keywords to help you find the right part
K&N E-2021 BMW air filter, BMW 1 Series air filter E81 E82 E87 E88, BMW 3 Series air filter E90 E91 E92 E93, BMW X1 E84 air filter, BMW 116i 118i 120i performance air filter, BMW 316i 318i 320i replacement air filter, high flow washable reusable panel filter, K&N panel filter for BMW petrol models, drop-in intake filter upgrade.