Ramair Performance Foam Replacement Air Filter for BMW 1.6 N45 & 2.0 N43 (80mm)

Upgrade your BMW’s intake system with the Ramair Performance Foam Replacement Air Filter for N45 and N43 engines. Designed as a direct-fit replacement for the restrictive OEM paper filter, this high-performance panel filter improves airflow, increases throttle response, and delivers superior filtration to protect your engine. Crafted with Ramair’s twin-layer Aeriform foam and reinforced by a stainless steel cage, it combines maximum durability with optimal surface area for enhanced breathing efficiency. Easy to maintain with the CK-003 cleaning kit and guaranteed for life against manufacturing defects, this filter is a cost-effective performance upgrade for everyday driving and beyond.

Key Features

• High-performance twin-layer Aeriform foam construction

• Stainless steel cage for rigidity and long-term durability

• Rubber polymer surround for secure OEM fitment

• Replaces inefficient paper filter in factory airbox

• Easy to clean and reuse with Ramair CK-003 filter maintenance kit

• Guaranteed surface area for improved airflow and performance

• Lifetime warranty against manufacturing defects (single user)

Compatibility

This filter is designed to fit the following BMW models:

• BMW 1 Series (E81/E87/E88)

  • 116i (2004–2013) – 1.6L N45

  • 118i (2004–2013) – 2.0L N43

  • 120i (2004–2013) – 2.0L N43

• BMW 3 Series (E90/E91/E92/E93)

  • 316i (2006–2013) – 1.6L N45

  • 318i (2005–2013) – 2.0L N43

  • 320i (2005–2013) – 2.0L N43

Filter Specifications:

• Length: 160mm (6.3")

• Width: 140mm (5.5")

• Shape: Circular

• Neck ID: 80mm (3.1")

• Material: Dual-layer performance 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.