EPAuto Cabin Air Filter for BMW CP430 (CUK8430) — Activated Carbon, Direct-Fit Replacement

EPAuto CP430 (CUK8430) is a direct-fit, activated-carbon cabin air filter engineered to trap dust, pollen, and odors for many BMW 1, 3, 7 series and X models.

If you want a simple, reliable way to refresh the air inside your BMW without aftermarket hassles, this replacement cabin air filter is built to match factory fitment while adding activated-carbon odor control. Made as a compatible unit for BMW part numbers and MANN CUK8430 equivalents, the EPAuto CP430 installs quickly and supports a wide range of model years and platforms so you can restore airflow and filtering performance during routine maintenance.

Which BMW models and platforms does this filter fit?

The EPAuto CP430 covers many popular BMW platforms including E82, E88, E90, E91, E92, E93, F01, and E84. It lists direct compatibility with specific model years across 1 Series, 3 Series, 7 Series, and several X models, making it a versatile replacement for common applications.

• Fits BMW 1 Series M (2011), 120i (2006–2012), 128i/125i, 130i, 135i/135is (2008–2013).
• Compatible with 3 Series variants from 323i through 335i and xDrive versions (2006–2013 ranges).
• Also listed for certain 7 Series trims (740i, 740Li, 760Li) and X models like X1 and X3 for specified years.

How does the activated-carbon construction benefit cabin air?

This filter combines a pleated particle layer with an activated-carbon media to capture airborne contaminants and reduce in-cabin odors. While the particle layer traps dust, pollen, and debris, the carbon helps adsorb common roadway smells, improving perceived freshness without altering HVAC function.

• Multilayer media collects fine particulates to protect occupants and HVAC components.
• Activated carbon reduces odors from traffic, exhaust, and interior sources.
• Designed to maintain proper airflow for heater and A/C efficiency.

Is installation difficult and what tools are needed?

Installation is intended to be straightforward: the CP430 is a direct-fit replacement so most owners can change it in minutes using simple tools or sometimes no tools at all. The filter’s shape and fitment match OEM dimensions to drop into the cabin filter housing without trimming or modifications.

• Direct-fit design aligns with factory housing—no cutting required.
• Typical installation requires only basic hand tools or the vehicle’s glovebox access procedure.
• Replace as part of regular maintenance intervals to preserve airflow and filtration.

How does this unit compare to original BMW and MANN parts?

The EPAuto CP430 is manufactured as a compatible replacement for BMW OEM part numbers and as an alternative to MANN CUK8430. It’s offered to match key dimensions and filtration characteristics so you get comparable fit and function at a value price.

• Compatible with BMW genuine part numbers such as 64316946628 and 64316962549 among others.
• Made to align with MANN CUK8430 specifications for easy substitution.
• Quality-controlled media and consistent sizing for direct installation.

Who is this for: The EPAuto CP430 is ideal for BMW owners seeking an OEM-equivalent cabin air filter that balances effective particle capture with activated-carbon odor control. It’s well suited for DIY enthusiasts, independent shops, or anyone performing routine filter changes on supported 1, 3, 7 Series and X model vehicles who wants dependable fitment without paying premium OEM prices.