Enhance your BMW's performance with this K&N washable, high-flow air filter designed to boost horsepower, improve airflow, and deliver long-lasting durability. Engineered for precision and backed by a 10-Year/Million Mile Limited Warranty, this filter is perfect if you're in the market for a K&N air filter for your BMW—ideal for models like the BMW 135i and BMW 335i.

Key Features

• Washable & Reusable – Constructed with layered, oiled cotton media built to last the life of your vehicle.
• Enhanced Performance – Bolsters horsepower and acceleration with superior airflow.
• Easy Drop-In Installation – Effortlessly replaces your factory airbox for a smooth upgrade.
• Durable & Certified – Complies with emissions regulations and is supported by a trusted 10-Year/Million Mile Limited Warranty.

Compatibility

• 2011-2013: BMW 135i (Base)
• 2013: BMW 135is (Base)
• 2011-2014: BMW 335i (Base)
• 2014: BMW 335i GT xDrive (Base)
• 2011-2014: BMW 335i xDrive (Base)
• 2013-2015: BMW X1 xDrive35i

Upgrade your ride with a K&N air filter for your BMW 135i and experience exceptional performance. For detailed installation information, see the Technical Bulletin or explore our Air Filters - Drop In collection for more options.