K&N High-Flow Air Filter BM-1204 — Fits 2004-2012 BMW R1200 Series, HP2 & R nineT

SKU: KNNBM-1204
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Sale price$79.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Maximize Your BMW's Power with K&N BM-1204 Air Filter

Unlock superior performance and engine longevity for your BMW motorcycle with the K&N BM-1204 High-Flow Replacement Air Filter. This state-of-the-art filter is engineered with layered, oiled cotton media to significantly improve airflow, directly translating to an increase in horsepower and acceleration for a more exhilarating ride.

Advanced Filtration for Ultimate Engine Protection

Beyond its performance-boosting capabilities, the K&N BM-1204 provides exceptional filtration, capturing harmful contaminants before they can reach your engine. Designed as a direct drop-in replacement, installation is remarkably easy, fitting seamlessly into your factory air box. This reusable filter is built to last the entire lifespan of your vehicle, backed by K&N's No-Hassle Lifetime Limited Warranty, offering incredible long-term value.

  • Direct drop-in replacement for easy installation
  • Engineered to increase horsepower and torque
  • Superior filtration protects engine from contaminants
  • Washable and reusable design for lifetime use
  • Backed by K&N's No-Hassle Lifetime Limited Warranty
  • Fits a wide range of BMW models including:
    • 2004-2012 BMW R1200GS / R1200GS Adventure
    • 2005-2012 BMW R1200RT
    • 2007-2008 BMW HP2 Enduro / HP2 Megamoto
    • 2014-2020 BMW R nine T (various submodels)
    • 2006-2007 BMW R1200S
    • 2007-2012 BMW R1200R

Upgrade to K&N's most popular product today and experience the difference in airflow and performance. Available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2007-2008 BMW HP2 Enduro Base
2007-2008 BMW HP2 Megamoto Base
2014-2020 BMW R nine T Base
2017-2020 BMW R nine T Pure Base
2017-2018 BMW R nine T Racer Base
2016-2020 BMW R nine T Scrambler Base
2018 BMW R nine T Urban G/S Base
2006-2013 BMW R1200GS Adventure Base
2006-2007 BMW R1200GS HP2 Base
2007-2014 BMW R1200R Base
2011 BMW R1200R Classic Base
2015 BMW R1200RS Base
2005-2013 BMW R1200RT Base
2006-2007 BMW R1200S Base
2005-2007 BMW R1200ST Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Maximize Your BMW's Power with K&N BM-1204 Air Filter

Unlock superior performance and engine longevity for your BMW motorcycle with the K&N BM-1204 High-Flow Replacement Air Filter. This state-of-the-art filter is engineered with layered, oiled cotton media to significantly improve airflow, directly translating to an increase in horsepower and acceleration for a more exhilarating ride.

Advanced Filtration for Ultimate Engine Protection

Beyond its performance-boosting capabilities, the K&N BM-1204 provides exceptional filtration, capturing harmful contaminants before they can reach your engine. Designed as a direct drop-in replacement, installation is remarkably easy, fitting seamlessly into your factory air box. This reusable filter is built to last the entire lifespan of your vehicle, backed by K&N's No-Hassle Lifetime Limited Warranty, offering incredible long-term value.

  • Direct drop-in replacement for easy installation
  • Engineered to increase horsepower and torque
  • Superior filtration protects engine from contaminants
  • Washable and reusable design for lifetime use
  • Backed by K&N's No-Hassle Lifetime Limited Warranty
  • Fits a wide range of BMW models including:
    • 2004-2012 BMW R1200GS / R1200GS Adventure
    • 2005-2012 BMW R1200RT
    • 2007-2008 BMW HP2 Enduro / HP2 Megamoto
    • 2014-2020 BMW R nine T (various submodels)
    • 2006-2007 BMW R1200S
    • 2007-2012 BMW R1200R

Upgrade to K&N's most popular product today and experience the difference in airflow and performance. Available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2007-2008 BMW HP2 Enduro Base
2007-2008 BMW HP2 Megamoto Base
2014-2020 BMW R nine T Base
2017-2020 BMW R nine T Pure Base
2017-2018 BMW R nine T Racer Base
2016-2020 BMW R nine T Scrambler Base
2018 BMW R nine T Urban G/S Base
2006-2013 BMW R1200GS Adventure Base
2006-2007 BMW R1200GS HP2 Base
2007-2014 BMW R1200R Base
2011 BMW R1200R Classic Base
2015 BMW R1200RS Base
2005-2013 BMW R1200RT Base
2006-2007 BMW R1200S Base
2005-2007 BMW R1200ST Base

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Maximize Your BMW's Power with K&N BM-1204 Air Filter

Unlock superior performance and engine longevity for your BMW motorcycle with the K&N BM-1204 High-Flow Replacement Air Filter. This state-of-the-art filter is engineered with layered, oiled cotton media to significantly improve airflow, directly translating to an increase in horsepower and acceleration for a more exhilarating ride.

Advanced Filtration for Ultimate Engine Protection

Beyond its performance-boosting capabilities, the K&N BM-1204 provides exceptional filtration, capturing harmful contaminants before they can reach your engine. Designed as a direct drop-in replacement, installation is remarkably easy, fitting seamlessly into your factory air box. This reusable filter is built to last the entire lifespan of your vehicle, backed by K&N's No-Hassle Lifetime Limited Warranty, offering incredible long-term value.

  • Direct drop-in replacement for easy installation
  • Engineered to increase horsepower and torque
  • Superior filtration protects engine from contaminants
  • Washable and reusable design for lifetime use
  • Backed by K&N's No-Hassle Lifetime Limited Warranty
  • Fits a wide range of BMW models including:
    • 2004-2012 BMW R1200GS / R1200GS Adventure
    • 2005-2012 BMW R1200RT
    • 2007-2008 BMW HP2 Enduro / HP2 Megamoto
    • 2014-2020 BMW R nine T (various submodels)
    • 2006-2007 BMW R1200S
    • 2007-2012 BMW R1200R

Upgrade to K&N's most popular product today and experience the difference in airflow and performance. Available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2007-2008 BMW HP2 Enduro Base
2007-2008 BMW HP2 Megamoto Base
2014-2020 BMW R nine T Base
2017-2020 BMW R nine T Pure Base
2017-2018 BMW R nine T Racer Base
2016-2020 BMW R nine T Scrambler Base
2018 BMW R nine T Urban G/S Base
2006-2013 BMW R1200GS Adventure Base
2006-2007 BMW R1200GS HP2 Base
2007-2014 BMW R1200R Base
2011 BMW R1200R Classic Base
2015 BMW R1200RS Base
2005-2013 BMW R1200RT Base
2006-2007 BMW R1200S Base
2005-2007 BMW R1200ST Base

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