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The K&N High-Flow Original Lifetime Engine Air Filter is a premium, washable air filter designed to increase airflow by up to 50%, enhancing horsepower and acceleration for select 2008-2019 BMW models. Engineered with four layers of cotton gauze media, it traps contaminants effectively while lasting the lifetime of your vehicle. With easy installation, a 10-year/million-mile warranty, and eco-friendly reusable design, it’s the ultimate upgrade for performance-driven BMW owners.





| Brand | K&N |
| Product Dimensions | 5.55"L x 4.84"W x 0.75"H |
| OEM Part Number | 13717571355, 13717583725, 13717605913 |
| Global Trade Identification Number | 00024844247216 |
| Shape | Rectangular |
| Manufacturer | K&N Engineering |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 024844247216 |
| Model | 33-2428 |
| Item Weight | 1.6 ounces |
| Item model number | 33-2428 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 33-2428 |
| Safety Rating | Não aplicável |
T**I
perfect fitment, easy install, better airflow
I've been using K&N filters forever, great airflow and very good filtration. good for the life of the vehicle, just clean it every once and a while, reoil and you're good to go. well worth the money. also worth noting, it gave me better throttle response on my BMW 535i
M**P
Great product
Perfect product, still using to this day
R**.
Works great, better smoother performance well worth the money
Great improvement!
P**N
High quality & more power
Looks good and exact fit. Improvement in mpg as well. Should be oem on bmw 740.
C**
👍
👍
N**S
Good air filter
worth every cent...
A**R
Great fit for my 2014 BMW x5
Ready to go right out of the box, easy install, perfect fit and you can’t beat K&N quality.
C**P
Don’t Hesitate!
I’d always put K&N air filters in my personal trucks but never before in my cars. I was on the fence about getting one for my BMW 6-Series Coupe until I spoke to an expert who convinced me that it would be the right thing to do. I installed one the next day and IMMEDIATELY noticed a huge increase in power that was made even more gratifying by the deep, throaty sound of the twin turbos. I wish I hadn’t waited to install one!
Trustpilot
1 month ago
1 week ago