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