Description
The K&N 57-0691 Air Intake System is engineered to boost the airflow to your BMW’s engine, resulting in a guaranteed increase in horsepower and torque. This system features a high-density polyethylene (HDPE) rotationally-molded tube that optimizes airflow, paired with a washable, reusable High-Flow Air Filter made from oiled cotton filter media.
Designed for efficiency, the oversized, conical air filter allows for up to 100,000 miles between services under normal highway driving conditions. The K&N 57-0691 system includes a custom heat shield that protects intake air from the high temperatures of the engine bay, ensuring optimal performance. Installation is straightforward, typically taking less than 60 minutes, making it a convenient upgrade for your vehicle.
Vehicle Applications
This air intake system is specifically designed to fit the 2012-2016 BMW 528i and 2012-2016 BMW 520i models, including the 528i xDrive variant. Upgrade your vehicle’s performance with this tailored solution.
Features
- High-density polyethylene (HDPE) rotationally-molded tube
- Guaranteed increase in horsepower and torque
- Washable and reusable High-Flow Air Filter with oiled cotton media
- Oversized conical design for extended service intervals
- Custom heat shield for optimal intake air temperature
- Easy installation in under 60 minutes
Frequently Asked Questions
What is the expected lifespan of the air filter?
The air filter can go up to 100,000 miles between services under normal highway driving conditions.
How long does installation take?
The installation can typically be completed in less than 60 minutes.
What vehicles does this air intake system fit?
It fits the 2012-2016 BMW 520i and 528i models, including the 528i xDrive variant.
Manuals & Instructions
âš WARNING (California Proposition 65): WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.
















