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
Air Filters
Air filters and intake filtration parts for cars, trucks, SUVs, Jeeps, and diesel platforms are stocked at Black Ops Auto Works. Shop direct-fit filters, drop-in replacement filters, universal clamp-on filters, cabin air filters, HVAC filters, engine breather filters, pre-filters, and velocity stacks for Hellcat, Trackhawk, TRX, Grand Cherokee, Challenger, Charger, Camaro, Corvette, Mustang, F-150, Tacoma, Tundra, BMW, and Honda platforms. Every product is filterable by year, make, model, trim, engine, and filter dimension so the correct part ships the first time. Black Ops Auto Works carries 3,397 air filter SKUs across direct-fit, universal, cabin, and pre-filter categories. What This Collection Covers Air filters remove dirt, dust, and debris from air entering the engine or cabin. This collection spans OE-style direct-fit and drop-in filters, universal cone and clamp-on filters for custom intakes, cabin and HVAC filters for interior air, engine breather filters for crankcase ...
View Air Filters Products
Air Filters - Drop In
Drop in air filters and replacement panel filters for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop reusable and dry media panel filters that fit directly into your factory air box from K&N, aFe, AEM, Injen, BMC, and GReddy for vehicles ranging from Corvette and Mustang to Porsche, BMW, and Ford Super Duty diesel trucks. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct filter ships the first time. Black Ops Auto Works carries 1,453 drop in air filter SKUs across dozens of vehicle platforms. What This Category Covers Drop in air filters replace the factory paper filter element inside your existing air box without changing the intake tubing or housing. This collection spans reusable oiled cotton filters, dry synthetic media filters, and OEM style replacement panels sized to fit factory air box dimensions across nearly every make and model. Reusable and Dry Media Options Reusable oiled cotton filters from K&...
View Air Filters - Drop In Products
BMW M Series Models Parts & Accessories
BMW M Series parts and accessories for M2, M3, M4, M5, and M8 models are stocked at Black Ops Auto Works. Shop cat-back and slip-on exhaust systems, carbon fiber tail pipes, headlight and taillight upgrades, carbon fiber hoods and grilles, intake valves, engine components, water pumps, and interior accessories for E46, E90, E92, F80, F82, F90, G80, G82, G87, and G90 chassis codes. Every product is filterable by year, make, model, chassis code, and trim so the correct part ships the first time. Black Ops Auto Works carries 1,328 BMW M Series SKUs across exhaust, lighting, engine, exterior, and interior categories. What This Collection Covers BMW M Series models span multiple chassis generations with different engine platforms, from the naturally aspirated S54 and S65 engines to the twin-turbo S55 and S58 engines found in current M3 and M4 models. This collection groups parts confirmed to fit the specific M chassis code and engine so E46 M3 owners, F80/F82 owners, and G80/G82 S58 ...
View BMW M Series Models Parts & Accessories Products
K&N Engineering
K&N Engineering filters and intakes for Jeep, RAM, Dodge, Chevy, Ford, Toyota, BMW, and Cadillac platforms are stocked at Black Ops Auto Works. Shop cold air intakes, Aircharger and NextGen intake systems, reusable panel filters, drop-in filters, universal clamp-on filters, oil filters, cabin filters, fuel filters, and filter cleaning kits for HEMI, Cummins diesel, EcoBoost, and LS/LT engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 1,927 K&N Engineering SKUs across intake, filtration, and maintenance categories. What This Brand Covers K&N Engineering built its reputation on reusable, high flow air filtration. This collection spans complete cold air intake systems, direct fit replacement filters, universal clamp-on filters for custom builds, and maintenance items like oil filters, fuel filters, and cabin filters. Cold Air Intakes and Intake Systems K&am...
View K&N Engineering Products


