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!

An easy way to improve the performance of your N54 powered BMW is by removing the stock air box and swapping in this Dual Cone Intake "DCI" from Burger Motorsports. Featuring two S&B inverted cone filters with adapter couplers and new hardware, these easily install into the stock box location, allowing for greatly improved intake air flow. This is great for both stock and modified vehicles, as this allows for greater air flow at all RPMs and removes the air restriction that would normally rob your engine of power.

In addition to increased power, these filters give your engine a more aggressive appearance and sound that any automotive enthusiast will appreciate.

MADE IN THE USA

**CARB Approved Under Executive Order (EO) No. D-744-2 for all 2007-2012 BMW models equipped with the N54 3.0L twin-turbocharged 6-cylinder engine.**

BMW F3X B46 B48 B58 Air Filter - Dinan High Flow Drop-in Replacement is designed to enhance engine performance and reduce maintenance costs. This high-flow, washable air filter provides improved airflow, allowing your BMW engine to breathe better and produce more power without additional strain.

• Increased Engine Performance: Improves airflow for better power output and efficiency.
• High-Quality Materials: Made from premium, high-flow materials to ensure optimal engine breathing.
• Washable and Reusable: Reduces long-term maintenance costs with a filter that can be cleaned and reused.
• Easy Installation: Drop-in design for a straightforward replacement without modifications.
• Cost-Effective Upgrade: A great alternative to a full intake system for a performance boost.

BMW N55 3.0L Dinan High Flow Drop-in Replacement Air Filter is engineered to boost engine performance while lowering maintenance costs. Turner Motorsport offers this high-flow, washable air filter that enhances airflow and efficiency, allowing your engine to generate more power with less effort. This filter is an ideal choice for improving performance without needing a complete intake system upgrade.

• Enhanced Airflow: Improves engine performance by increasing the amount of air entering the engine, which leads to greater power output.
• Washable and Reusable: Saves on long-term maintenance costs by providing a durable filter that can be cleaned and reused.
• Simple Installation: Drop-in replacement design ensures easy installation without the need for modifications.
• Increased Efficiency: Helps the engine operate more efficiently, which may contribute to better fuel economy.

The Dinan High Flow Drop-in Replacement Air Filter offers a cost-effective way to enhance the performance of your BMW N55 engine while ensuring reliable operation.

Upgrade your BMW's air filtration system with the Turner Motorsport Exact-Fit High Flow Dry Air Filter. This direct replacement for your factory air filter offers superior airflow, allowing your engine to breathe better and enhancing both power and fuel economy. Enjoy immediate performance gains with this reusable filter, which outperforms stock paper filters and requires minimal maintenance.

Key Benefits:

• Improves engine breathing for better performance
• Enhances power throughout the power band
• Increases fuel economy
• Reusable filter for long-term savings
• Easy installation as a direct OEM replacement

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 do allow slightly 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. This filter will save you money by no longer needing to replace a paper filter.

Dry filters offer slightly lower airflow but are easier to maintain while still outperforming 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.

Upgrade your BMW's air intake system with Turner Motorsport's Exact-Fit High Flow Dry Air Filter! This direct replacement for the factory air filter improves engine breathing, resulting in increased power throughout the power band and enhanced fuel economy. Key benefits include:

• Higher flow than stock paper filters
• Immediate increase in performance
• Reusable design saves money on filter replacements
• Dry filter design requires less maintenance
• Easy to clean with warm soapy water
• Only needs cleaning every 50,000 miles under normal highway driving conditions

Be sure to check out the full line of filter cleaning supplies Turner Motorsport has to offer!

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.

Upgrade Your BMW's Performance

Elevate your BMW's performance with our specialized High Performance Replacement Filter designed for the Stage 2 Intake Charge Kit. Engineered to optimize and enhance the stock intake system, this filter guarantees maximum airflow for improved engine efficiency.

• Direct replacement for OEM filter panel
• Washable and reusable cotton gauze for increased airflow
• Removal of charcoal-impregnated lining enhances airflow
• Durable sidewall construction ensures long-lasting performance
• Provides a secure, leak-proof seal with factory air box
• Multi-layered pleats maximize airflow while maintaining protection levels
• Maintains OEM filter's debris collection efficiency
• Preserves BMW engineered pressurized air box and factory appearance
• Includes adapter for EU or MY10+ models for universal fitment

Note: Compatible exclusively with the Stage 2 Intake Charge Kit.

Supported Models: 2008+ E9X M3

K&N's drop-in air intake filter is constructed from cotton gauze material between aluminum mesh - this makes for a long lasting, high performance drop-in intake filter. These are very easy to remove and maintain. Turner Motorsport recommends this as one of the first maintenance/modifications you make to your vehicle after you purchase! 

K&N's drop in air filters allow increased airflow - dirt and particles stick to the oil on these filters, making them more effective than traditional paper filters in terms of protection. Additionally, K&N believes their filters are more efficient than paper filers - this means more oxygen getting into the engine, allowing vaporized fuel to burn more efficiently and increasing horsepower and fuel economy. The best of both worlds!

750iL/850i requires 2 filters