Experience a noticeable increase in horsepower and acceleration with the K&N air filter for the BMW 525i. This premium drop-in filter is designed for enthusiasts looking to easily upgrade performance. Purchase the K&N replacement air filter for the BMW 525i and enjoy dependable, reusable construction with superior airflow—ideal for your BMW 525i L6-2.5L 24V and similar models.

Key Features

• High-Flow Performance: Boosts horsepower and acceleration.
• Durable layered, oiled cotton media for effective filtration.
• Reusable design supported by a 10-Year/Million Mile Warranty.
• Simple drop-in installation for a factory fit upgrade.

Specifications & Technical Details

• Dimensions: Height, length, and width engineered for the perfect fit.
• Re-Oiling: Precisely measured oil quantity extends filter life.
• Efficiency: High-grade overall filtration performance.
• Cleaning Interval: Recommended maintenance every 75,000 miles under normal driving conditions.

Fitment Information

• 1989-1995 BMW 525i (Base)
• 1993 BMW 525iT (Base)
• 1991-1993 BMW M5 (Base)

Upgrade now to achieve optimal engine performance and efficiency with the trusted engineering of K&N filters. Discover more easy-install products in our Air Filters - Drop In collection.