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Air Filter for 2004 BMW 325i

We have 12 Items In-stock. Select your vehicle's Submodel to continue.

K&N - Performance Air Filters

K&N – PERFORMANCE AIR FILTERS

When most people think of top-of-the-line performance air filters, K&N comes to mind. That’s probably because in addition to being regarded as the world’s finest filtration company, K&N performance air filters will last as long as your vehicle’s engine does and are a factory replacement that can boost your horsepower output by as much as 4 horsepower. Started in 1969, K&N has garnered a reputation for engineering the world’s finest filtration products for cars, trucks, SUVs, motorcycles, race vehicles, commercial vehicles and anything in-between.

  • Replaces existing air filter
  • Boosts cold air flow which translates to more horsepower
  • Backed by K&N’s million mile warranty
  • Custom fit to your vehicle’s specifications
  • Cotton-gauze design features as many as 6 layers of filtration
  • The world’s best performance air filter
  • Only need to clean every 50,000 miles
  • All filters are washable, reusable and come already oiled by K&N
  • ‘Green’ design
  • Increases horsepower (up to 4 hp) and fuel efficiency
  • One air filter will last as long as one vehicle’s engine
  • Maintain with K&N Recharger kit - (not included)
  • Made in America

K&N 33 Series Air Filter - Cotton Gauze, Reusable, Direct Fit

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$47.99 $74.06 You Save $26.07 (35%)
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Availability: In Stock
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  • Brand SKU#: K&N 33-2231
  • Series: K&N 33 Series
  • Material: Cotton Gauze
  • Type: Reusable
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: Performance
  • Style: Oiled
  • Anticipated Ship Out Time: Same day - 1 business day
  • Filtration Efficiency Rating: 96 to 99%
  • Warranty: Million-mile K&N limited warranty
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Fits the following 2004 BMW 325i Submodels

  • 6 Cyl 2.5L | Base
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Customer Review: (see review/s)
  • Great air filter, only down side is the installation has you put a sticker in the container. But I'm getting 26.5 mpg instead of the 24.5 I was getting, which is great!

    posted by: Seth on May 17, 2011

  • K&N filters pretty much speak for themselves. The maintenance and longevity is second to none!

    posted by: on May 29, 2010

  • view all 7 reviews

Fram Extra Guard Air Filter

As the first air filter to utilize two integral filtering elements, the Fram Extra Guard air filter protects the engine and provides more airflow for improved performance. It also helps prevent damaging particles from entering the engine and causing increased engine wear. It lasts 50 percent longer and stops 50 percent more dirt than any other brand, making it the perfect choice for every vehicle application.

Fram Extra Guard Air Filter - Paper, Disposable, Direct Fit

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$24.21 $28.57 You Save $4.36 (15%)
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Availability: In Stock
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  • Brand SKU#: Fram CA9007
  • Series: Fram Extra Guard
  • Material: Paper
  • Type: Disposable
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Style: Dry
  • Anticipated Ship Out Time: Same day - 1 business day
  • Warranty: Fram limited warranty
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Fits the following 2004 BMW 325i Submodels

  • 6 Cyl 2.5L | Base, Base
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Beck Arnley Disposable OE Replacement Air Filter

When it concerns choosing the right source for your intake system's air filter, rely on Beck Arnley. Complete fitment, reliable overall operation, and durable style are the distinguishing attributes of Beck Arnley's original equipment (OE) air filter. This replacement item is carefully fashioned to perform like the original air filter that came with your vehicle. In order to pull off superior manufacturing quality, every single Beck Arnley OE Replacement Air Filter is constructed according to tight criteria.

For safer or more comfortable ride, regular car checking is important. Malfunctioning parts can either decrease the driving comfort or hinder the general efficiency of your motor vehicle, causing any of the following: inefficient fuel mileage, lousy overall performance, or higher exposure to unexpected motor vehicle or hardware breakdown. Order Beck Arnley OE Replacement Air Filter to repair your intake system to its ideal working condition.

Beck Arnley Air Filter - Paper, Disposable, Direct Fit

$27.11 $31.99 You Save $4.88 (15%)
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Availability: In Stock
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  • Brand SKU#: Beck Arnley 042-1536
  • Material: Paper
  • Type: Disposable
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Style: Dry
  • Anticipated Ship Out Time: Same day - 1 business day
  • Warranty: Beck Arnley limited warranty
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Fits the following 2004 BMW 325i Submodels

  • 6 Cyl 2.5L | Base
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Hastings OE replacement Air Filter

Hastings Premium air filter is built to meet or exceed OE specifications and ensures to provide protection that the engine needs. It is proven to separate and stabilize the pleated media on heavy-duty air filters. Hastings air filter features permapleat construction that forms dividers between pleats and prevents bunching for insured uniform air flow. It provides a continuous bead of adhesive around the circumference of a filter's metal wrap, either inner or outer, to lock the pleat tips in place and prevent movement.

Hastings Air Filter - Paper, Disposable, Direct Fit

$24.34 $28.72 You Save $4.38 (15%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Hastings AF412
  • Material: Paper
  • Type: Disposable
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Style: Dry
  • Anticipated Ship Out Time: Same day - 1 business day
  • Filtration Efficiency Rating: Up to 99%
  • Warranty: Hastings limited warranty
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Fits the following 2004 BMW 325i Submodels

  • 6 Cyl 2.5L | Base, Base
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Customer Review: (see review/s)
  • I would purchase this product again. It shipped quickly and was priced great.

    posted by: cskippy7 on October 7, 2008

AC Delco - OE Replacement Air Filters

ACDELCO – OE REPLACEMENT AIR FILTERS

Block out dirt and dust and keep your engine from going bust with the trusted fit and performance of ACDelco’s OE replacement air filters. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

  • Secure seals prevent contaminated air from getting into your engine
  • Traps dust and dirt to protect against damage and extend engine’s lifespan
  • No trouble to install
  • Engineered to provide enhanced filter capacity, efficiency and flow management
  • Meticulously inspected to guarantee enduring performance
  • Broad assortment of makes and models covered

AC Delco Air Filter - Paper, Disposable, Direct Fit

$26.86 $31.69 You Save $4.83 (15%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: AC Delco A1414C
  • Material: Paper
  • Type: Disposable
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Style: Dry
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 1-year or 12,000-mile AC Delco limited warranty
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Fits the following 2004 BMW 325i Submodels

  • 6 Cyl 2.5L | Base
See more

More results for 2004 BMW 325i Air Filter

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  • AEM - DryFlow Air Filters

    AEM – DRYFLOW AIR FILTERS

    Oiled filters are not as effective as dry filters because they form a barrier for airflow which sacrifices some of your ride’s horsepower and torque potential. Using an AEM... (see more)

  • Mahle Dry OE replacement Air Filter

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