Cabin Air Filter for BMW X3 (2018-2025) X4 Z4 330i 430i

The COCOAUTO cabin air filter is a direct-fit replacement that captures dust, pollen, and odors to restore ventilation and protect the HVAC system in applicable BMW and Toyota models.

This cabin filter is engineered to match the original equipment fit for a long list of BMW vehicles (and compatible Toyota GR Supra) from recent model years. Built to slot into factory housings, it’s designed for homeowners and technicians who want a straightforward, effective filter swap that keeps interior air cleaner and maintains proper airflow through the car’s climate system.

Which cars will this filter fit?

This COCOAUTO filter covers many BMW platforms and select Toyota models across specified model years. Confirm fitment against your vehicle’s year and model number before buying to avoid mismatches.

• Fits BMW X3 (2018–2025), X4 and Z4 (2019–2026).
• Compatible with 330i/330i xDrive, 430i/430i xDrive, 230i variants, 330e and select 440i/M-series models (years listed).
• Also supports i4, iX3, M2/M3/M4 platforms and Toyota GR Supra (2020–2026) where specified.
• Replace part numbers: 64119382885, 64119382886 and cross-references like PC99458C, CUK30007, CAF15031C.

How often should I replace this cabin air filter?

General guidance is to swap the filter annually or every 12,000 miles, whichever comes first. If you frequently drive on dusty roads, in heavy traffic or in polluted urban areas, inspect and replace it sooner to preserve airflow and cabin comfort.

• Recommended interval: 12 months / 12,000 miles under normal conditions.
• Shorten interval for dusty, construction, or rural driving routes.
• Replacing a clogged filter prevents odors and helps the HVAC system run efficiently.

Is installation difficult and what tools are required?

Installation is straightforward and intended as a quick DIY task—most owners complete the change in about 10 minutes. The filter is designed to drop into the OEM housing without trimming or modifications.

• Typical install time: ~10 minutes with basic hand tools if required.
• No cutting or special adapters necessary; engineered for direct fit.
• Check vehicle manual or online fitment guides to locate the cabin filter housing.

What performance benefits should I expect after swapping the filter?

After installation you should notice restored airflow and fewer interior odors, which reduces strain on the HVAC blower and can improve climate control responsiveness. The filter captures particulates and helps keep dust away from the heater core and evaporator.

• Improved airflow and HVAC efficiency compared to a blocked filter.
• Reduced cabin dust and common allergens for a cleaner interior.
• Neutralizes typical odors and helps preserve climate-system components.

Who is this for: drivers and maintenance professionals who own one of the listed BMW or Toyota models and want an affordable, OEM-compatible replacement cabin filter. It’s suitable for routine vehicle upkeep, shop stocking, and anyone aiming to maintain ventilation performance without complex installation.