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SKU: 33-2059 | UPC: 024844024435
K&N 86-96 BMW 318/325/525/528/750 Drop In Air Filter
K&N 33-2059 replacement air filter delivers high-flow performance for 1986-1996 BMW 318i 318is 325 325e 325i 325is 325iX 525i 528e 750iL 850i 850CSi models. Washable oiled cotton media increases airflow and horsepower while trapping contaminants. Drop-in design installs directly into factory airbox for immediate gains.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks and traps dirt and debris.
- Clean Every 5 Years: Service only every 75000 miles under highway conditions or 5 years at 15000 miles annually.
- Easy Installation: Pre-oiled filter drops straight into OEM airbox for fast cost-effective power upgrade.
- Engineered Power: Advanced media boosts horsepower acceleration and engine response.
- Lifetime Warranty: No-hassle limited warranty covers the vehicle lifespan with rugged construction.
Product Notes
- Washable and reusable design reduces replacement costs over time.
- Clean using K&N cleaning kit every 75000 miles for peak performance.
- Ships in protective packaging weighing 1.4 lbs with dimensions 13.56 x 7.56 x 1.75 inches.
Installation Notes
- Professional installation recommended.
- Direct OEM replacement no cutting or modifications needed.
- Pre-oiled and ready no additional oil required.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1994 | BMW | 318i | Base |
| 1991-1994 | BMW | 318is | Base |
| 1988 | BMW | 325 | Base |
| 1986-1987 | BMW | 325e | Base |
| 1987-1991 | BMW | 325i | Base |
| 1987-1990 | BMW | 325is | Base |
| 1988-1991 | BMW | 325iX | Base |
| 1989-1991 | BMW | 525i | Base |
| 1986-1988 | BMW | 528e | Base |
| 1988-1994 | BMW | 750iL | Base |
| 1994-1995 | BMW | 850CSi | Base |
| 1991-1992 | BMW | 850i | Base |
Why Choose K&N?
- Over 60 years developing high-performance filtration for automotive engines.
- Reusable filters cut costs and landfill waste versus disposables.
- Precision-engineered media for more air and power without sacrificing protection.
Frequently Asked Questions
-
Q: Will this fit my 1990 BMW 325i?
A: Yes 33-2059 is direct fit for 1987-1991 BMW 325i Base models and installs in factory airbox. -
Q: What material is used in the filter media?
A: Layered oiled cotton gauze provides high airflow and contaminant capture. -
Q: What does the warranty cover?
A: No-hassle lifetime limited warranty on replacement air filters limitations apply see K&N terms.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Original K&N box 14 x 8 x 2 inches
- Weight: 1.4 lbs
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