Ramair Performance Foam Replacement M57 Air Filter for BMW 330d, 530d, 535d & more

Upgrade your BMW’s diesel intake system with the Ramair Performance Foam Replacement Air Filter, designed to replace the restrictive OEM paper filter. Engineered using Ramair’s unique twin-layer Aeriform foam and reinforced with a stainless steel cage, this filter enhances airflow, sharpens throttle response, and provides superior long-term engine protection.

Unlike disposable paper filters, this Ramair filter is fully reusable and easy to clean with the CK-003 maintenance kit, ensuring consistent performance mile after mile. With a precision-moulded polymer surround for a secure fit, it installs directly into the OEM airbox without modification. Hand-made in the UK and backed by a lifetime guarantee, it’s the ideal upgrade for BMW owners running the legendary M57 and N57 3.0 diesel engines.

Key Features

• High-performance twin-layer Aeriform foam construction

• Improves airflow and throttle response vs OEM paper filter

• Stainless steel cage for strength and durability

• Reusable design – easy to clean with CK-003 kit

• Secure fit in OEM airbox with polymer surround

• Lifetime warranty against manufacturing defects

Compatibility

BMW 3 Series (E90/E91/E92/E93)

• 330d 3.0 (M57) – 2006–2012

• 330d 3.0 (N57) – 2008–2012

BMW 5 Series (E39)

• 530d 3.0 (M57) – 1998–2003

BMW 5 Series (E60/E61)

• 530d 3.0 (M57) – 2004–2010

BMW 7 Series (E38)

• 730d 3.0 (M57) – 1998–2001

BMW X3 (E83)

• X3 3.0d (M57) – 2008–2010

BMW X5 (E70)

• X5 3.0d (M57) – 2008–2010

• X5 3.0d (N57) – 2010–2011

BMW X6 (E71/E72)

• X6 3.0d (M57) – 2008–2010

Filter Specifications

• Length: 495mm (19.5")

• Width: 147mm (5.8")

• Shape: Oval

• 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.