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Air Intake Filters

We stock several replacement and performance drop-in air filters for your BMW. Replacing your intake filter (or filters, depending on vehicle) can improve your BMW's performance immediately.
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High Flow Performance Air Filter (Oiled) - E46 M3 CSL
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:11660861
Part#: 003313TMS04-01
In Stock
Sale - Save 25% $ 186.99

This product was last offered at the strikethrough price on
06-14-2026

$ 140.24 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 186.99

This product was last offered at the strikethrough price on
06-14-2026

$ 140.24 USD
Free Shipping on orders $49 and up

Our Performance CSL Air Filters start with a multi-layer oiled cotton construction that contains millions of smaller fibers to provide superior filtration and performance over the OEM filter. Precisely manufactured for a secure fitment to ensure all the air entering your motor is properly filtered. With the CSL E46 only being offered in Europe, the OEM air filters are produced in much lower quantities making them harder to obtain and drive up the price. Turners solution is a price effective solution that offers premium filtration with increased flow, extended service interval and lifespan.

Having a clean air filter ensures your engine is running at its best efficiency! Proper air flow will help your engine breathe, get the best fuel economy and allow full power throughout the power band. Get the most out of your CSL intake with a new Oiled High Flow Air Filter. These filters can be cleaned, oiled and reused for an extended service life.

Oiled versus Dry Filters:

Although both options will keep the air to your engine clean and improve airflow, there are a few differences to consider when choosing the best filter for you. Oiled filters allow better airflow than dry filters, however they require more maintenance. Oiled filters will likely get dirty faster, needing to be cleaned more regularly. When cleaning an oiled filter, it is necessary to oil them with filter oil afterwards.
Dry filters offer slightly lower airflow but are easier to maintain while still out performing the OE paper filter. Dry filters can be washed with warm soapy water. There is no oiling necessary afterwards.
Both dry and oiled filters flow better than stock and can be reused.
Product Features:

Direct Replacement for OEM filter
Increased air flow
Lower cost
Serviceable
Readily available
How to service an oiled air filter:

Take out your High Flow Filter
Gently tap your air filter on a smooth surface
Wash with warm soapy water a a soft bristled brush
Rinse with low pressure water
Let the filter air dry
Apply new filter oil
Ready to reinstall for a fresh drive!

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High Flow Performance Air Filter (Dry) - E46 M3 CSL
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:11660860
Part#: 003313TMS04-02
In Stock
Sale - Save 25% $ 186.99

This product was last offered at the strikethrough price on
06-14-2026

$ 140.24 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 186.99

This product was last offered at the strikethrough price on
06-14-2026

$ 140.24 USD
Free Shipping on orders $49 and up

Our Performance CSL Air Filters start with a multi-layer synthetic dry cotton construction that contains millions of smaller fibers to provide superior filtration and performance over the OEM filter. Precisely manufactured for a secure fitment to ensure all the air entering your motor is properly filtered. With the CSL E46 only being offered in Europe, the OEM air filters are produced in much lower quantities making them harder to obtain and drive up the price. Turners solution is a price effective solution that offers premium filtration with increased flow, extended service interval and lifespan.

Having a clean air filter ensures your engine is running at its best efficiency! Proper air flow will help your engine breathe, get the best fuel economy and allow full power throughout the power band. Get the most out of your CSL intake with a new Synthetic High Flow Air Filter. These filters can be cleaned and reused for an extended service life.

Oiled versus Dry Filters:

Although both options will keep the air to your engine clean and improve airflow, there are a few differences to consider when choosing the best filter for you. Oiled filters allow better airflow than dry filters, however they require more maintenance. Oiled filters will likely get dirty faster, needing to be cleaned more regularly. When cleaning an oiled filter, it is necessary to oil them with filter oil afterwards.
Dry filters offer slightly lower airflow but are easier to maintain while still out performing the OE paper filter. Dry filters can be washed with warm soapy water. There is no oiling necessary afterwards.
Both dry and oiled filters flow better than stock and can be reused.
Product Features:

Direct Replacement for OEM filter
Increased air flow
Lower cost
Serviceable
Readily available
How to service an oiled air filter:

Take out your High Flow Filter
Gently tap your air filter on a smooth surface
Wash with warm soapy water a a soft bristled brush
Rinse with low pressure water
Let the filter air dry
Ready to reinstall for a fresh drive!

Show More Show Less
Dinan High Flow Drop-In Replacement Filter - BMW G2X G42 B46 B48 B58 ...
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:32516358
Part#: D401-0046
In Stock
Sale - Save 10% $ 64.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 58.49 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 64.99

This product was last offered at the strikethrough price on
09-29-2026

$ 58.49 USD
Free Shipping on orders $49 and up
Dinan High Flow Drop-in Replacement Filters are a direct upgrade to your factory intake system and will instantly provide better flow to assist your engine in achieving maximum performance and efficiency! While factory paper filters function admirably, they can be restrictive to performance goals given the material used. They also require being replaced numerous times during the lifespan of the vehicle which can add up to a substantial amount in maintenance costs. Limited performance and increased maintenance costs are never ideal but can be resolved effectively and economically in the case of filters. Dinan High Flow Drop-in Replacement Filters are constructed of 4 layers of cotton gauze that allow better flow and less pressure drop than the stock media. This equates to the engine not needing to work as hard to make the same or more power. Additionally, the use of oiled cotton media means that the Dinan filters are washable/reusable while still retaining excellent filtration and ensuring your engine runs clean for the duration. When upgrading to a complete Dinan intake system for best performance, is not available, possible, or within the budget, Dinan High Flow Drop-in Replacement Filters have you covered! Features & Benefits: Less restrictive and better flowing than stock allowing maximum engine performance and efficiency Direct replacement for stock air filter 4 layers of proprietary high flow oiled cotton gauze material for exceptional filtration Washable and reusable for the life of the engine Quick and easy installation
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BMW N20 N26 Replacement Air Filter | Dinan High Flow Drop-in ...
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Call In, Chat, Or Email, For Best Price! Limited Time Only!
Dinan - Corporate Logo
T#:18236090
Part#: D401-0040
Ships in 5 Business Days
Sale - Save 49% $ 61.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 31.65 USD
Free Shipping on orders $49 and up
Sale - Save 49%
$ 61.99

This product was last offered at the strikethrough price on
06-24-2026

$ 31.65 USD
Free Shipping on orders $49 and up

BMW N20 N26 Replacement Air Filter | Dinan High Flow Drop-in from Turner Motorsport is designed to reduce maintenance costs and enhance engine performance. This high-flow, washable air filter uses advanced materials to improve airflow and increase power while reducing engine strain.

  • Enhanced Performance: High-flow design improves airflow, leading to a noticeable increase in engine power.
  • Washable and Reusable: Easily cleanable, offering a cost-effective alternative to disposable filters.
  • Improved Engine Efficiency: Reduces engine strain by allowing it to breathe more freely, resulting in better performance.
  • Easy Installation: Drop-in design ensures a hassle-free fitment for BMW N20 and N26 engines.
  • Cost-Effective Maintenance: A durable option that lowers long-term maintenance expenses.
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Dinan High Flow Drop-In Replacement Filter - BMW N55 3.0L
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:32516360
Part#: D401-0048
In Stock
Sale - Save 11% $ 62.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 56.12 USD
Free Shipping on orders $49 and up
Sale - Save 11%
$ 62.99

This product was last offered at the strikethrough price on
06-29-2026

$ 56.12 USD
Free Shipping on orders $49 and up
Dinan High Flow Drop-in Replacement Filters are a direct upgrade to your factory intake system and will instantly provide better flow to assist your engine in achieving maximum performance and efficiency! While factory paper filters function admirably, they can be restrictive to performance goals given the material used. They also require being replaced numerous times during the lifespan of the vehicle which can add up to a substantial amount in maintenance costs. Limited performance and increased maintenance costs are never ideal but can be resolved effectively and economically in the case of filters. Dinan High Flow Drop-in Replacement Filters are constructed of 4 layers of cotton gauze that allow better flow and less pressure drop than the stock media. This equates to the engine not needing to work as hard to make the same or more power. Additionally, the use of oiled cotton media means that the Dinan filters are washable/reusable while still retaining excellent filtration and ensuring your engine runs clean for the duration. When upgrading to a complete Dinan intake system for best performance, is not available, possible, or within the budget, Dinan High Flow Drop-in Replacement Filters have you covered! Features & Benefits: Less restrictive and better flowing than stock allowing maximum engine performance and efficiency Direct replacement for stock air filter 4 layers of proprietary high flow oiled cotton gauze material for exceptional filtration Washable and reusable for the life of the engine Quick and easy installation
Show More Show Less
Dinan High Flow Drop-In Replacement Filter - BMW G01 G02 B58 (2020+) ...
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:32516361
Part#: D401-0049
Back Ordered
Sale - Save 10% $ 63.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 57.56 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 63.99

This product was last offered at the strikethrough price on
09-21-2026

$ 57.56 USD
Free Shipping on orders $49 and up
Dinan High Flow Drop-in Replacement Filters are a direct upgrade to your factory intake system and will instantly provide better flow to assist your engine in achieving maximum performance and efficiency! While factory paper filters function admirably, they can be restrictive to performance goals given the material used. They also require being replaced numerous times during the lifespan of the vehicle which can add up to a substantial amount in maintenance costs. Limited performance and increased maintenance costs are never ideal but can be resolved effectively and economically in the case of filters. Dinan High Flow Drop-in Replacement Filters are constructed of 4 layers of cotton gauze that allow better flow and less pressure drop than the stock media. This equates to the engine not needing to work as hard to make the same or more power. Additionally, the use of oiled cotton media means that the Dinan filters are washable/reusable while still retaining excellent filtration and ensuring your engine runs clean for the duration. When upgrading to a complete Dinan intake system for best performance, is not available, possible, or within the budget, Dinan High Flow Drop-in Replacement Filters have you covered! Features & Benefits: Less restrictive and better flowing than stock allowing maximum engine performance and efficiency Direct replacement for stock air filter 4 layers of proprietary high flow oiled cotton gauze material for exceptional filtration Washable and reusable for the life of the engine Quick and easy installation
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Dinan Replacement Air Filter Sock - Priced Each
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:11268530
Part#: D401-0111
Ships on Nov 9, 2026
Sale - Save 11% $ 42.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 38.33 USD
Free Shipping on orders $49 and up
Sale - Save 11%
$ 42.99

This product was last offered at the strikethrough price on
09-29-2026

$ 38.33 USD
Free Shipping on orders $49 and up
Replacement air filter protection sock.
Dinan Performance Replacement Air Filter For Cold Air Intake/Air Mass...
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:398076
Part#: D401-0440
Ships on Nov 4, 2026
Sale - Save 11% $ 62.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 56.12 USD
Free Shipping on orders $49 and up
Sale - Save 11%
$ 62.99

This product was last offered at the strikethrough price on
09-28-2026

$ 56.12 USD
Free Shipping on orders $49 and up

Replacement filter for your high flow intake system.

For over 35 years, Dinan has been America's premier tuning company, pioneering advancements in BMW modification while retaining a focus on balanced performance that preserves the original character and driving feel that a BMW offers. When you install a Dinan part on your car, know that it's not only carefully developed and tested, but that Dinan stands behind it with a four year, 50,000-mile warranty. Dinan believes so fully in their “total package” approach that once your car has been fitted with enough of their parts, they celebrate your conversion from stock to Dinan with an exclusive trunk badge, displayed proudly by BMW enthusiasts everywhere. Each sway bar is worth 1 point towards your Dinan badge.

 

Fits the following BMW's:2001-2006 E46 BMW M3

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BMC - Corporate Logo
T#:58818978
Part#: FB102/01
In Stock at Vendor
New Item
$ 80.99 USD
Free Shipping on orders $49 and up
This high-flow cotton gauze engine air filter is built for performance. It can be washed and re-oiled for extended service.

MST Performance - Corporate Logo
T#:51883718
Part#: TY-SUP06
Special Order: No Guaranteed ETA
New Item
$ 613.99 USD
Free Shipping on orders $49 and up
Improve your performance with this aggressive sounding MST Cold Air Intake.