K&N Replacement Air Filter — BMW 323i/325i/328i/528i/M3/Z3 1992-1999

SKU: KNN33-2070

About K&N Engineering K&N has been the world's leader in ...Read more

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Sale price$68.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

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Part Numbers
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About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N High-Flow Replacement Air Filter for Select BMW Models

Enhance the performance and efficiency of your BMW with the K&N 33-2070 High-Flow Replacement Air Filter. This filter is specifically designed for a wide range of BMW models from the early 1990s to the late 1990s, including the 323i, 323is, 325i, 325is, 328i, 328is, 528i, M3, and Z3. Featuring K&N's renowned layered, oiled cotton gauze filtration, it ensures optimal airflow while effectively capturing harmful contaminants.

Performance and Durability:

  • Boosted Horsepower: Allows your engine to breathe easier, resulting in improved acceleration and power delivery.
  • Advanced Filtration: Captures dirt and debris effectively, safeguarding your engine's internal components.
  • Washable & Reusable: Environmentally friendly and cost-effective; simply clean and re-oil for extended use.
  • Built to Last: Engineered for the lifespan of your vehicle, providing reliable performance.
  • Easy Installation: Designed as a direct replacement for your factory air filter.
  • Industry-Leading Warranty: Backed by K&N's 10-Year/Million Mile Limited Warranty.

The K&N 33-2070 air filter is an essential upgrade for BMW enthusiasts seeking to maximize their vehicle's potential. Its high-flow design contributes to better fuel economy and throttle response. By choosing a K&N filter, you're opting for a product that combines performance, durability, and value. Ensure your BMW is performing at its peak by installing this premium air filter, available now at GGCRACING.

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N High-Flow Replacement Air Filter for Select BMW Models

Enhance the performance and efficiency of your BMW with the K&N 33-2070 High-Flow Replacement Air Filter. This filter is specifically designed for a wide range of BMW models from the early 1990s to the late 1990s, including the 323i, 323is, 325i, 325is, 328i, 328is, 528i, M3, and Z3. Featuring K&N's renowned layered, oiled cotton gauze filtration, it ensures optimal airflow while effectively capturing harmful contaminants.

Performance and Durability:

  • Boosted Horsepower: Allows your engine to breathe easier, resulting in improved acceleration and power delivery.
  • Advanced Filtration: Captures dirt and debris effectively, safeguarding your engine's internal components.
  • Washable & Reusable: Environmentally friendly and cost-effective; simply clean and re-oil for extended use.
  • Built to Last: Engineered for the lifespan of your vehicle, providing reliable performance.
  • Easy Installation: Designed as a direct replacement for your factory air filter.
  • Industry-Leading Warranty: Backed by K&N's 10-Year/Million Mile Limited Warranty.

The K&N 33-2070 air filter is an essential upgrade for BMW enthusiasts seeking to maximize their vehicle's potential. Its high-flow design contributes to better fuel economy and throttle response. By choosing a K&N filter, you're opting for a product that combines performance, durability, and value. Ensure your BMW is performing at its peak by installing this premium air filter, available now at GGCRACING.

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