Ramair Performance Foam Replacement Air Filter for BMW E46 316i & 318i

Upgrade your BMW’s breathing with the Ramair Performance Foam Replacement Air Filter for BMW E46 316i & 318i. Designed as a direct replacement for the restrictive OEM paper filter, this high-performance panel filter improves airflow, enhances throttle response, and ensures long-term reliability. Hand-made in the UK, it features Ramair’s signature twin-layer Aeriform foam combined with a stainless steel cage for maximum strength and durability. The result is a filter that delivers superior dust filtration and power gains, while remaining easy to clean and maintain for a lifetime of use.

Key Features

• Direct-fit replacement for OEM air filter – fits inside the standard airbox

• High-performance, MAF-safe twin-layer Aeriform foam

• Stainless steel cage support for maximum strength

• Rubber polymer surround for a clean, durable finish

• Guaranteed surface area for optimum filtration and performance

• Easy cleaning and re-use with Ramair filter maintenance kit (CK-003)

• Hand-made in the UK and guaranteed against manufacturing defects

Compatibility

• BMW 3 Series E46 316Ci (2002–2006)

• BMW 3 Series E46 316i (2002–2005)

• BMW 3 Series E46 316ti (2002–2005)

• BMW 3 Series E46 318Ci (2001–2007)

• BMW 3 Series E46 318i (2001–2005)

• BMW 3 Series E46 318ti (2001–2004)

Filter Dimensions:

• Length: 110mm (4.3")

• Width: 173mm (6.8")

• Shape: Circular

• Material: Dual-layer foam

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.