Genuine BMW BMW 2/3/4 Series, i4, Z4, X3/X4 (2021-25) Cabin Microfilter 64115A2AD31

Maintain fresh, clean air inside your BMW with the Genuine BMW Cabin Microfilter (Part Number: 64115A2AD31) — designed to provide maximum filtration efficiency and long-lasting performance. This factory replacement filter is engineered specifically for BMW’s latest 2 Series, 3 Series, 4 Series, i4, Z4, X3, and X4 models (2021–2025), ensuring a perfect fit and seamless compatibility with your vehicle’s HVAC system.

The 64115A2AD31 cabin filter removes dust, pollen, fine particulates, and harmful pollutants from the air before they enter the cabin, providing cleaner air and enhanced passenger comfort. Its high-quality construction helps preserve the performance of your air conditioning system while maintaining a healthy driving environment year-round.

Choosing a Genuine BMW filter guarantees OEM quality, durability, and precise fitment — preventing leaks or inefficiencies often caused by aftermarket alternatives.

Key Features

• Genuine BMW OEM part – 64115A2AD31

• Designed for BMW 2 Series, 3 Series, 4 Series, i4, Z4, X3 & X4 (2021–2025)

• Effectively filters dust, pollen, and harmful particulates

• Improves cabin air quality and passenger comfort

• Maintains HVAC efficiency and prevents system wear

• Direct replacement part – no modifications required

• Long-lasting OEM construction for consistent performance

Compatibility

Fits the following BMW models (2021–2025):

• 2 Series (G42, F44)

• 3 Series (G20, G21, G28)

• 4 Series (G22, G23, G26)

• i4 (G26)

• Z4 (G29)

• X3 (G01, G45)

• X4 (G02)

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.