SKU: 33-2142 | UPC: 024844071842
K&N 33-2142 Replacement Air Filter for 1997-2003 BMW 540i, 1999-2001 BMW 740i/740iL, 2000-2003 BMW M5
The K&N 33-2142 is a washable reusable high-flow drop-in replacement air filter designed for BMW models including the 1997-2003 540i, 1999-2001 740i and 740iL, and 2000-2003 M5. It features layered oiled cotton media that improves airflow for more horsepower and acceleration while trapping contaminants. Engineered to last the life of your vehicle with easy drop-in installation into the factory airbox.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with a tacking agent create a mesh that blocks and traps harmful contaminants for reliable engine protection.
- Clean Once Every 5 Years: Needs cleaning every 75,000 miles under normal highway driving (5 years at 15,000 miles per year average).
- Easy Installation: Pre-oiled and ready to drop into your factory airbox for one of the simplest performance upgrades.
- Engineered Power: State-of-the-art media increases horsepower, acceleration, and overall engine performance.
- Lifetime Warranty: No-hassle lifetime limited warranty covers stock replacement air filters with limitations applying.
Product Notes
- Washable and reusable design reduces landfill waste from disposable filters.
- Saves up to $125 compared to multiple OE filters over 200,000 miles of highway driving.
- Manufactured with durable premium materials for long-lasting construction.
Installation Notes
- Professional installation recommended.
- Direct drop-in replacement requires no modifications to factory airbox.
- Use K&N cleaning kit for maintenance. re-oil with provided amount of 1.09 oz.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2003 | BMW | 540i | Base |
| 1999-2001 | BMW | 740i | Base |
| 1999-2001 | BMW | 740iL | Base |
| 2000-2003 | BMW | M5 | Base |
Why Choose K&N?
- Over 50 years of air filtration engineering for automotive performance.
- High-flow cotton gauze media delivers measurable horsepower gains.
- Pre-oiled 8-layer design ensures protection and longevity in any condition.
Frequently Asked Questions
- Q: Will this filter fit my 1998 BMW 540i?
A: Yes, the K&N 33-2142 fits all 1997-2003 BMW 540i Base models as a direct drop-in replacement. - Q: What material is used in this air filter?
A: It uses 8 layers of oiled cotton gauze in a flexible steel mesh frame with rubber top for secure fit. - Q: What does the warranty cover?
A: No-hassle lifetime limited warranty on the stock replacement filter with standard limitations applying.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Original K&N box with dimensions 14.17 x 12.09 x 1.89 inches
- Weight: 1.6 pounds
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