Universal Air FI1121C Cabin Air Filter

Particulate Cabin Air Filter for BMW

Universal Air FI1121C is a particulate cabin air filter for select BMW models from 2001-2011. It is built for drivers replacing a worn BMW cabin air filter to maintain cleaner air entering the HVAC system.

Key Features

• Particulate cabin air filter for HVAC filtration
• Direct fit for select BMW 5 Series, 6 Series, M5, and M6 applications
• Fits 2001-2011 BMW 525i, 528i, 530i, 535i, 550i, 650Ci, 650i, M5, and M6 applications listed below
• Universal Air part number FI1121C
• Fits BMW 528i, BMW 530i, and BMW 535i applications across multiple model years

Detailed Description

Universal Air Particulate Cabin Air Filter FI1121C is a replacement HVAC filter for select BMW vehicles. This cabin air filter is used in the vehicle’s climate control intake path to help maintain cleaner air inside the cabin by filtering particulate matter before it reaches the interior ventilation system. It is a practical replacement for BMW 525i, 528i, 530i, 535i, 550i, 650Ci, 650i, M5, and M6 models listed in the fitment data.

Compatible With: 2001-2010 BMW 525i, 2008-2011 BMW 528i, 2009-2010 BMW 528i xDrive, 2004-2010 BMW 530i, 2008-2010 BMW 535i, 2010 BMW 535i GT, 2009-2010 BMW 535i xDrive, 2006-2010 BMW 550i, 2010 BMW 550i GT, 2010 BMW 550i GT xDrive, 2006-2010 BMW 650Ci, 2006-2010 BMW 650i, 2006-2010 BMW M5, 2006-2010 BMW M6, 2008 BMW 528xi, 2008 BMW 535xi, 2006-2007 BMW 525xi, 2006-2007 BMW 530xi, 2004-2006 BMW 545i, and 2004-2005 BMW 645Ci.

What It Helps Address

• Reduced cabin air filtration from a dirty or clogged filter
• Dust and debris entering the HVAC intake
• Restricted airflow through the climate control system
• Musty or stale air caused by overdue filter service
• Loss of HVAC efficiency from filter contamination

Installation Notes and Tips

Replace the cabin air filter according to the vehicle service schedule or when airflow and air quality decline. Verify the part number FI1121C against the vehicle’s existing filter and confirm the BMW model, year, and xDrive/xi application before installation. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Universal Air FI1121C is cataloged as a particulate cabin air filter for the listed BMW applications and is intended to match the fitment requirements shown in the product data.