BMW Intake Parts for BMW 3 Series E91 (2006-2012)

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One thing drivers and cars have in common is the need for air. Induction systems provide a third of the critical necessities for engines to run, so giving your BMW the best way to breathe is paramount in engine performance. If you need to replace your filter, recharge your reusable pod filter, or upgrade your intake, turbos, or intercooler parts, everything can be found below. We have OEM replacements as well as aftermarket performance upgrades to keep your BMW pristine, powerful, and functioning at peak efficiency.
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Turner Motorsport N52 Intake - E9x E8x (N52)
10X Entries Into Our F80 M3 Sweepstakes
Turn your daily driver into the perfect daily driver.
Turner Motorsport - Corporate Logo
T#:568651
Part#: 025520TMS05
In Stock
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We have a lot of N52 powered BMWs in the parking lot here at Turner. No, they're not the fastest cars, and they never will be - but it shines where the more expensive N54 lacks, reliability. There is something innately satisfying about the linear, smooth powerband that comes from BMW's signature inline 6 cylinder platform. We love the N52 for what it is: the perfect daily. And we decided to make it even better by designing an intake that eliminates restriction and increases air flow allowing for max gains of 9 WHP and 13 WTQ down low in the power band. The power numbers are, however, not the most impressive part of this intake. Our intake really makes N52 powered BMWs feel even more linear and predictable, capitalizing on this powerplant's existing strength.
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Turner Motorsport - Corporate Logo
T#:400812
Part#: 006655TMS01
In Stock
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$ 71.99 USD
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The intake boot is a regular issue especially for BMW's, nearly all vehicles have a boot manufactured from rubber with an accordion section in the design for flexibility. This flexible section is typically where the failure comes from, leading to vacuum leak engine codes, rough idle, and increase fuel consumption. 

When you upgrade to a Turner silicone intake boot you get a perfect fit that will not only outlast the OE design (meaning any vacuum leaks and rough idle), while also smoothing out airflow within the intake tract. This boot also eliminates the factory intake resonator giving your engine a much more aggressive sound under the hood especially at higher rpm. Available in black or Turner blue color, our intake boot offers either a pop of color or a cohesive, complementary look in your engine bay.

The Turner Motorsport silicone intake boot is manufactured with 5 layers of wire reinforced silicone to prevent collapse under load. Engineered in-house utilizing 3D scanning technology, this boot offers perfect fitment with the factory air box and either single stage or three stage (high output N52) intake manifolds.

Install as a standalone reliability improvement or in addition to our three stage intake manifold and Turner performance tune (available here).

Replaces OE intake boot 13717536004.

Features:

  • 5 layers of wire reinforced silicone
  • Perfect fitment with factory airbox
  • Compatible with single stage or three stage manifold
  • Installation hardware included

This item fits the following BMWs:
2008-2013 E82 E88 BMW 128i Coupe Convertible
2006-2011 E90 BMW 325i 325xi 328i 328xi 330i 330xi - Sedan
2007-2011 E91 BMW 325i 325xi 328i 328xi - Touring Wagon
2007-2013 E92 BMW 328i 328xi - Coupe
2007-2013 E93 BMW 328i - Convertible

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Turner Motorsport - Corporate Logo
T#:400813
Part#: 006655TMS02
In Stock
Sale - Save 41% $ 122.99

This product was last offered at the strikethrough price on
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$ 71.99 USD
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Sale - Save 41%
$ 122.99

This product was last offered at the strikethrough price on
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$ 71.99 USD
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The intake boot is a regular issue especially for BMW's, nearly all vehicles have a boot manufactured from rubber with an accordion section in the design for flexibility. This flexible section is typically where the failure comes from leading to vacuum leak engine codes, rough idle, and increase fuel consumption. 

When you upgrade to a Turner silicone intake boot you get a perfect fit that will not only outlast the OE design (meaning any vacuum leaks and rough idle), while also smoothing out airflow within the intake tract. This boot also eliminates the factory intake resonator giving your engine a much more aggressive sound under the hood especially at higher rpm. Available in black or Turner blue color, our intake boot offers either a pop of color or a cohesive, complementary look in your engine bay.

The Turner Motorsport silicone intake boot is manufactured with 5 layers of wire reinforced silicone to prevent collapse under load. Engineered in-house utilizing 3D scanning technology, this boot offers perfect fitment with the factory air box and either single stage or three stage (high output N52) intake manifolds.

Install as a standalone reliability improvement or in addition to our three stage intake manifold and Turner performance tune (available here).

Replaces OE intake boot 13717536004.

Features:

  • 5 layers of wire reinforced silicone
  • Perfect fitment with factory airbox
  • Compatible with single stage or three stage manifold
  • Installation hardware included

This item fits the following BMWs:
2008-2013 E82 E88 BMW 128i Coupe Convertible
2006-2011 E90 BMW 325i 325xi 328i 328xi 330i 330xi - Sedan
2007-2011 E91 BMW 325i 325xi 328i 328xi - Touring Wagon
2007-2013 E92 BMW 328i 328xi - Coupe
2007-2013 E93 BMW 328i - Convertible

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Bavarian Autosport - Corporate Logo
T#:639842
Part#: 11617560538
In Stock
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$ 142.39 USD
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The DISA Valve adjusts the intake manifold runner length to improve performance. When it fails it can lead to a rough idle and perhaps an engine fault code light. This adjusting unit fits cars with N52 or N51 engine - not N52N models. This is the smaller of the 2 DISA Valves on this motor, it is considered the "Upper Disa valve". The lower DISA valve is part number 11617579114 From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.
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AFE - Corporate Logo
T#:1943
Part#: 55-10460
In Stock
$ 21.00 USD
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Bring your aFe filter back to life with a Restore kit from aFe. Included is filter cleaner & replacement oil. These air filter oils is designed to not harm MAF sensors, while allowing the filter to catch as much debris as possible.

Used for Pro 5 R filters

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ECS - Corporate Logo
T#:47644942
Part#: 003675ECS03-02
In Stock
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$ 44.24 USD
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Universal High-Flow Air Filter

Give your engine the airflow it deserves with this reusable, high-performance air filter—perfect as a direct replacement for an ECS intake system or as the finishing touch for your custom intake project.
Dimensions: 4.5" Base OD • 6" Filter Height • 3.5" Top OD

Upgrade from your restrictive factory filter to an ECS Tuning High-Flow Dry Air Filter and let your engine breathe freely. Improved intake flow enhances power throughout the rev range while helping maintain efficient fuel economy.

Oiled vs. Dry Filters — Which Is Right for You?

Oiled Filters

Offer slightly higher airflow for maximum performance

Require more frequent cleaning

Must be re-oiled after each cleaning

Long-term reusable design saves money over disposable paper filters

Dry Filters

Provide excellent airflow with minimal maintenance

Easily cleaned with warm, soapy water—no oiling required

Still flow significantly better than OE paper filters

Fully reusable and cost-effective

Both versions deliver superior performance over stock filters while offering the long-term benefit of reusability. Choose the option that best fits your maintenance style and performance goals.

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12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:19825269
Part#: 2101
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$ 25.49 USD
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N52 3-Stage Intake Manifold - BMW E82/88 E9X N52 3.0L
Common upgrade from the 330i model - additional parts needed, see product description
10X Entries Into Our F80 M3 Sweepstakes
Bavarian Autosport - Corporate Logo
T#:19792191
Part#: 11617559523
In Stock
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$ 379.99 USD
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Replacement 3-Stage intake manifold for your N52-powered BMW.

K&N Aerosol Air Filter Cleaning Kit -
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shi
K&N - Corporate Logo
T#:401641
Part#: 99-5000KT
In Stock
$ 24.00

This product was last offered at the strikethrough price on
10-04-2026

$ 23.99 USD
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$ 23.99 USD
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K&N Aerosol Air Filter Cleaning Kit provides a simple and effective solution to preserve and maintain your K&N air filter, ensuring it delivers optimal performance for a lifetime. This cleaning kit is specifically designed to clean and restore the airflow efficiency of your reusable air filter, saving you money by eliminating the need to purchase replacement filters.

The K&N Aerosol Air Filter Cleaning Kit includes a powerful degreaser that effectively removes dirt, grime, and contaminants from your air filter. Once cleaned, the kit’s specialized oil is used to recoat the filter, ensuring it continues to trap harmful particles while allowing maximum airflow.

Regular maintenance with this kit not only extends the life of your air filter but also enhances your engine’s performance by maintaining high air flow and exceptional filtration. Easy to use, the K&N Aerosol Air Filter Cleaning Kit is an essential tool for keeping your air filter in top condition.

  • Lifetime filter maintenance: Extends the lifespan of your K&N air filter, eliminating the need for replacements.
  • Improved engine performance: Restores airflow efficiency for optimal engine operation.
  • Cost-effective solution: Saves money by allowing you to maintain your existing air filter.
  • Easy application: Simple-to-use aerosol spray for cleaning and re-oiling.
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AFe MagnumFORCE Intake Stage-2 Pro 5R, Black - E9X, E8X N52
CARB certified for sale in all 50 states
AFE - Corporate Logo
T#:304197
Part#: 54-81012-B
EO#: D-550-38
In Stock
$ 435.00 USD
$ 435.00 USD

This Stage 2 cold air intake system produces 12 max horsepower, 16 lbs. x ft. torque and out-flowed the factory intake by 56%. This system includes a durable powder-coated heat shield and features a washable/reusable conical Pro 5R air filter for maximum flow. This air filter is constructed with 100% polyurethane, for long life and multiple cleaning cycles. A huge one-piece mandrel bent wrinkle-black powder-coated intake tube, maximizes air velocity providing maximum performance and throttle response. This is a direct bolt-on kit and requires no cutting or drilling.

This part fits the following BMWs:
2008-2013 E82/88 128i
2006 E90/91 325i/xi
2006 E90/91/92/93 330i/xi
2007-2013 E90/91/92/93 328i/xi
 

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ECS Exact-Fit High Flow Air Filter - Oiled
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:5082394
Part#: 012054LA28-OIL
In Stock
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$ 62.99 USD
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Silicone Coupler - Straight 3" (76.20mm)
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:376702
Part#: 003402ECS01A-06
In Stock
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$ 23.24 USD
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Silicone Coupler - Straight 3" ID (76.20mm) x 3" L

No matter the project, ECS Tuning silicone couplers and elbows offer a high-quality, precision-engineered solution to your needs. Whether you're installing an intercooler, fabricating a custom intake system, or whatever else you can dream up, ECS Tuning has you covered.

  • High-quality silicone construction for durability
  • Precision-engineered design ensures a perfect fit
  • Versatile solution for various automotive projects
  • Enhances performance and reliability
  • Compatible with BMW and other vehicles
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Radium Engineering - Corporate Logo
T#:31522993
Part#: RAD20-0530
In Stock at Vendor
$ 37.99 USD
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Plastic Vacuum Tubing Kit - black - 8 Feet
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:360488
Part#: 5097T321-8FT-A
In Stock
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$ 28.49 USD
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Ensure optimal engine performance with the replacement of your vacuum system hoses. The vacuum system plays a crucial role in the engine's functionality, transforming it into an efficient pump that influences air-fuel mixture and combustion. Damaged vacuum hoses can lead to various performance issues, from rough idle to difficulties starting the engine. If you're experiencing these issues, it's time to upgrade to this plastic hose with a 2.3mm inner diameter. The hose is black, arrives in an 8-foot section, and can be easily cut to the desired size for a perfect fit.

Key Features:

  • Engine Optimization: Replacing old hoses ensures the vacuum system operates at peak performance.
  • 2.3mm Inner Diameter: Designed to meet specific engine requirements.
  • Black Color: Blends seamlessly with the engine components.
  • 8-Foot Section: Provides flexibility to cut the hose to the required length.
  • Easy Installation: Upgrade without hassle for improved engine efficiency.

Upgrade your vacuum system with this high-quality plastic hose, addressing performance issues and ensuring your engine runs smoothly.

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AFE - Corporate Logo
T#:639776
Part#: 46-31011
Ships in 4 Business Days
$ 139.00 USD
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$ 139.00 USD
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Silver Bullet throttle body spacers create turbulence in the air flow at the point just before entry to the engine – increasing performance, as well as improving throttle response and fuel efficiency.
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K&N Air Filter Recharge Kit - Aerosol
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shi
K&N - Corporate Logo
T#:401640
Part#: 99-5000
In Stock
$ 23.99 USD
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Preserve & maintain your air filter for a lifetime like it was designed to be used

46.5mm To 61.0mm Silicone Coupler - Each
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:28570863
Part#: 017623ECS08A
In Stock
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$ 24.74 USD
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For optimal performance, consider the 46.5mm To 61.0mm Silicone Coupler.

Engineered with durability and functionality in mind, this silicone coupler provides a reliable connection for various components in your vehicle's intake or cooling system. Its smooth interior surface promotes efficient airflow, while its flexible and reinforced construction ensures a secure fit and prevents leaks. Enjoy hassle-free installation and enhanced performance with this premium silicone coupler.

  • Durable silicone construction
  • Smooth interior surface for efficient airflow
  • Flexible and reinforced design prevents leaks
  • Secure fit for reliable performance
  • Hassle-free installation
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Upgraded Silicone CCV Hose - (11157522931) - N52
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:46203577
Part#: 058973LA02
Ships on Apr 5, 2027
$ 101.99

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

$ 78.99 USD
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Due to weak plastic construction, the factory plastic crankcase ventilation breather hose is known to fail. After years of exposure to piping-hot engine bay temperatures and chemical-laden oil vapors, the corrugated plastic tubing can crack, crumble, or fail altogether.

We set out to bulletproof your N52 CCV system with a durable silicone breather hose, designed to provide a comprehensive upgrade and permanent replacement for the factory plastic hose. By replacing the flimsy, heat-hardened OEM plastic hose with a four-ply fluorosilicone hose, you'll experience peace of mind knowing your N52 is free from the inevitable return of oil leaks, vacuum leaks, and drivability concerns that would have been.

This breather hose is found at the front of the engine, and is used to connect the oil separator to the valve cover. It replaces OEM part number 11157522931.

Features:

Silicone construction ensures a durable replacement that is sure to outlast OE plastic
Designed as a direct replacement for the factory breather hose
Retains heating function and OE electrical connector
Design:

Four-ply wire-reinforced fluorosilicone hose is designed to resist degradation due to exposure to oil vapors
O-rings are pre-installed in OE connectors for a lasting seal
Includes pre-installed zinc-coated hose clamps for durability and corrosion resistance
Product Development:

Our Silicone CCV Hose Upgrade was designed, engineered, tested, and quality inspected by our Research and Development team in our Wadsworth, Ohio, facility. We strive for the highest level of precision and quality through leading-edge product development technology, including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modelling, rapid prototyping utilizing our in-house 3D printer, and rigorous long-term product testing.

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AFE - Corporate Logo
T#:2649
Part#: 31-10131
In Stock
$ 114.00 USD
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$ 114.00 USD
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Since 1999, aFe (Advanced FLOW Engineering) has been developing and manufacturing high quality accessories in their facility in Corona, California. Starting with air filters and intake systems, and now expanding into exhaust systems, suspension components, tuning modules, and more, aFe products are a great way to improve the performance of your BMW without altering its fundamental character. Owned by a BMW enthusiast, aFe power is recognized the world over as a leader in quality performance products for your BMW.

  • Constructed with 100% polyurethane
  • Two layers of progressively finer mesh synthetic media
  • Washable and reusable for multiple cleaning cycles
  • Excellent dust-holding capacity for a longer service cycle between cleanings
  • Integrated urethane bump seal insures a tight, no leak seal
  • Outflows stock paper filter for improved horsepower and torque

This is a drop-in stock replacement aFe performance air filter that installs into your BMW's factory airbox. This particular filter fits the following BMWs:

E90 E92 E93 3 series: 325i 325Xi 328i 328Xi 330i 330Xi 2006+

E82 1 Series: 128i 2008+

This version has an oil-free filter media for less maintenance. For the best flowing filter, with the best performance gain, we always recommend the standard aFe "Pro5R " filter (which has a blue pre-oiled filter media), but this oil-free filter flows only slightly less than the blue Pro5R style aFe filter, and requires no re-oiling after cleaning the filter.

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Eventuri - Corporate Logo
T#:396394
Part#: EVE-FLC
In Stock
$ 30.00 USD
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This filter cleaning kit powers away dirt and contaminants leaving your filter in like-new condition.

Universal Throttle Body Coupler - 45 Degree 2.5" (63.50mm)
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:382969
Part#: 003402ECS03A-16
In Stock
Sale - Save 25% $ 39.99

This product was last offered at the strikethrough price on
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$ 29.99 USD
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Elevate your BMW project with ECS Tuning silicone couplers and elbows, providing a high-quality, precision-engineered solution for various applications. Whether you're installing an intercooler, fabricating a custom intake system, or pursuing other automotive projects, ECS Tuning delivers reliable performance and durability. Trust ECS Tuning to meet your needs and enhance your BMW project.

  • High-quality silicone couplers and elbows for BMW projects
  • Precision-engineered for reliability and performance
  • Versatile solution for intercooler installations, custom intake systems, and more
  • Ensures durability and longevity for your automotive projects
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AFE - Corporate Logo
T#:1666
Part#: 30-10131
In Stock
$ 107.00 USD
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$ 107.00 USD
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This version uses aFe's highest flowing filter media, which uses a lightly oiled gauze to filter out dirt and particulates while allowing more air to flow to the intake. For the best flowing filter, with the best performance gain, we always recommend this standard aFe filter media (often called "Pro5R ", which has a blue pre-oiled filter media). We also carry this filter in the "ProDry" grey filter media, which is oil-free for only slightly less performance and no maintenance.

This part fits the following BMWs:
All 2006 and newer 325i, 325xi, 328i, 328xi, 330i, and 330xi 
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AFe MagnumFORCE Intake Stage-2 Pro 5R - Carbon Fiber
CARB certified for sale in all 50 states
AFE - Corporate Logo
T#:304196
Part#: 54-81012-C
EO#: D-550-38
In Stock
$ 462.00 USD
$ 462.00 USD

AFE Summer Rebate Form

This Stage 2 cold air intake system produces 12 max horsepower, 16 lbs. x ft. torque and out-flowed the factory intake by 56%. This system includes a durable powder-coated heat shield and features a washable/reusable conical Pro 5R air filter for maximum flow. This air filter is constructed with 100% polyurethane, for long life and multiple cleaning cycles. A huge one-piece mandrel bent wrinkle-black powder-coated intake tube, maximizes air velocity providing maximum performance and throttle response. This is a direct bolt-on kit and requires no cutting or drilling.

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BMW & MINI Silicone Coupler - Straight 2.38" (60.33mm)
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:376708
Part#: 003402ECS01A-03
In Stock
Sale - Save 25% $ 30.99

This product was last offered at the strikethrough price on
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$ 23.24 USD
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Upgrade your BMW or MINI with the BMW & MINI Silicone Coupler - Straight 2.38" (60.33mm). This high-quality silicone coupler is designed to provide a secure and leak-free connection for your vehicle's intake or cooling system. Engineered for durability and flexibility, it ensures optimal performance under various conditions. With its straight design and precise dimensions, this silicone coupler offers easy installation and a perfect fit for your BMW or MINI.

  • Provides a secure and leak-free connection
  • Engineered for durability and flexibility
  • Straight design for easy installation
  • Perfect fit for BMW and MINI vehicles
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Silicone Coupler - Straight 3 5/8" (92mm)
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:377483
Part#: 003402ECS01A-07
In Stock
Sale - Save 40% $ 39.99

This product was last offered at the strikethrough price on
05-02-2026

$ 23.99 USD
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ECS Silicone Coupler

Upgrade your BMW with the ECS Silicone Coupler. This straight 3 5/8" ID (92mm) x 3" L coupler is designed to enhance your vehicle's performance and durability. Crafted from high-quality silicone, it ensures long-lasting reliability and superior performance.

  • Enhances vehicle performance
  • Durable construction for long-lasting reliability
  • Specifically designed for BMW vehicles
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Injen Polished Short Ram Intake - E8X, E9X N52
CARB certified for sale in all 50 states
Injen - Corporate Logo
T#:558029
Part#: SP1121P
EO#: D-476-8
In Stock at Vendor
$ 531.99 USD
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$ 531.99 USD
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This is a short ram intake and filter kit that will go in place of the restrictive and unattractive factory airbox. Feel a dramatic boost to throttle response and build boost faster by eliminating restrictions and widening the intake track. The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System or Short Ram System. The MR Technology process has its effects on both types. The Injen SP Series Intake is The World's First Tuned Intake System.

In 1999 Injen designed the first urethane filter with a built-in velocity stack for added performance. The Injen Technology Research and Development Team calculates each filters mesh and pleat count for each specific application during the development stages. Today the state-of-the-art Ea nano-fiber Injen/AMSOIL performance dry filter provides reliable performance and requires NO OIL. Both Injen Air Filters allow cleaning and durability for 1000's of miles to come.

Features:
Powdercoated heat shield
Polished short ram tubing
+11hp/10ftlbs.

Kit Includes:
Short ram intake piping
Heat shield 
SuperNano Dry Web Dry Filters
Mounting hardware
Instructions

This part fits the following BMWs:
2007-2011 BMW 328I (E90/92/93) 
2008-2013 BMW 128I (E82/88) 
2006 BMW 325I AND 330I (E90) 

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Injen Black Short Ram Intake - E8X, E9X N52
CARB certified for sale in all 50 states
Injen - Corporate Logo
T#:558032
Part#: SP1121BLK
EO#: D-476-8
In Stock at Vendor
$ 531.99 USD
Free Shipping
$ 531.99 USD
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This is a short ram intake and filter kit that will go in place of the restrictive and unattractive factory airbox. Feel a dramatic boost to throttle response and build boost faster by eliminating restrictions and widening the intake track. The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System or Short Ram System. The MR Technology process has its effects on both types. The Injen SP Series Intake is The World's First Tuned Intake System.

In 1999 Injen designed the first urethane filter with a built-in velocity stack for added performance. The Injen Technology Research and Development Team calculates each filters mesh and pleat count for each specific application during the development stages. Today the state-of-the-art Ea nano-fiber Injen/AMSOIL performance dry filter provides reliable performance and requires NO OIL. Both Injen Air Filters allow cleaning and durability for 1000's of miles to come.

Features:
Powdercoated heat shield
Black short ram tubing
+11hp/10ftlbs.

Kit Includes:
Short ram intake piping
Heat shield 
SuperNano Dry Web Dry Filters
Mounting hardware
Instructions

This part fits the following BMWs:
2007-2011 BMW 328I (E90/92/93) 
2008-2013 BMW 128I (E82/88) 
2006 BMW 325I AND 330I (E90) 

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K&N - Corporate Logo
T#:371088
Part#: E-2022
Ships in 5 Business Days
$ 83.99 USD
Free Shipping
$ 83.99 USD
Free Shipping

When changing over to the Euro air box, you want to ensure you are still getting the best air flow possible through the filter. This K&N filter is our best recommendation for increased flow and power!

K&N's 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!

  • Covered by the K&N Million Mile Limited Warranty
  • Washable and reusable
  • Emissions legal in all 50 states
  • Will not void vehicle warranty
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Mishimoto - Corporate Logo
T#:597112
Part#: MMHOSE-E9006IHRD
In Stock at Vendor
$ 87.99 USD
Free Shipping
$ 87.99 USD
Free Shipping
The Mishimoto N52 silicone intake boot is constructed of five layers of silicone with steel reinforcement rings for maximum durability. The steel reinforcement rings keep this hose from collapsing when under load, keeping your engine supplied with adequate airflow. The stock N52 intake boot has a resonator that BMW included to keep the N52 quiet. We tossed that resonator to the curb for a nice increase in engine and intake tone. This N52 intake boot fits with the stock airbox and single-stage or 3-stage intake manifolds. The silicone construction will provide you with long service life, and the Mishimoto Lifetime Warranty will make sure your intake boot is always leak free! WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Mishimoto - Corporate Logo
T#:597111
Part#: MMHOSE-E9006IHBK
In Stock at Vendor
$ 87.99 USD
Free Shipping
$ 87.99 USD
Free Shipping
The Mishimoto N52 silicone intake boot is constructed of five layers of silicone with steel reinforcement rings for maximum durability. The steel reinforcement rings keep this hose from collapsing when under load, keeping your engine supplied with adequate airflow. The stock N52 intake boot has a resonator that BMW included to keep the N52 quiet. We tossed that resonator to the curb for a nice increase in engine and intake tone. This N52 intake boot fits with the stock airbox and single-stage or 3-stage intake manifolds. The silicone construction will provide you with long service life, and the Mishimoto Lifetime Warranty will make sure your intake boot is always leak free! WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Turner Motorsport - Corporate Logo
T#:221961
Part#: TMS221961
Ships on Oct 20, 2026
$ 482.99 USD
Free Shipping
$ 482.99 USD
Free Shipping
The BMW N52 engine was deisgned with a crankcase vent system that relies on a heated oil separator valve to separate vapor from the liquid oil. Under ideal circumstances, the oil vapor would pass back into the intake and get burned up during normal combustion. The liquid oil would follow a path back down into the oil pan and be reused. This system is environmentally friendly but plagued with problems. The heating elements can fail or oil and carbon particles can block the oil separator valve. With no escape, the oil will continue to pool and collect in the valve cover or make its way into the combustion chamber leading to excessive oil consumption, blue smoke from the exhaust, idle and running issues. These issues are worse in colder climates where the freezing temperatures create an oil sludge condition that is impossible to clear. The plastic hoses can become brittle and crack which leads to vacuum leaks and oil leaks. Thankfully, the CCV is replaceable on the early N52 engines (2006 and some 2007 models) and should be inspected during a major service and any time the valve cover is off. Oil can also back up into the throttle body, which is easier to check than the oil separator itself. Later N52 engines do not have a serviceable oil vent as it is integrated into the valve cover and not a separate part.

This is a kit containing the oil separator, the vent hoses, and the intake manifold gaskets that are done during a typical oil separator replacement. Complete kit includes:
  • 11617531423, Genuine BMW oil separator
  • 11617559530, vent hose
  • 11157522931, oil separator hose
  • 11157567802, return hose
  • 11157537701, extraction hose
  • 11617547242, intake manifold gaskets (set of 6)
    The intake manifold must be removed to access the oil separator so new profile gaskets are included. We also recommend (but not required) a new oil separator fitting on the intake manifold because it's one of the heated elements that vaporizes the oil as it enters the intake.

    The oil separator can be replaced on its own but for a complete service we also recommend replacing the oil separator hoses and cleaning the valve cover. Any valve cover or intake manifold work should include a new oil separator valve.

    This kit fits the following BMWs:
    10/2005+ E90 BMW 325xi 330xi - Sedan
    10/2005+ E91 BMW 325xi - Wagon
    10/2005+ E60 BMW 525xi 530xi
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    Enthusiast Bundles - Corporate Logo
    T#:25042566
    Part#: 008517LA01EBKT
    In Stock
    Sale - Save 30% $ 1,213.96

    This product was last offered at the strikethrough price on
    05-05-2026

    $ 849.99 USD
    Sale - Save 30%
    $ 1,213.96

    This product was last offered at the strikethrough price on
    05-05-2026

    $ 849.99 USD

    Unleash the roar of your N52 engine with the Turner Motorsport E9x N52 Muffler & Resonator Delete Kit. Elevate your driving experience by transforming your exhaust with this cost-effective kit, providing performance gains, a captivating exhaust note, and stunning exhaust tips. Shedding the heavy factory muffler, Turner's T304 stainless steel 3.0" tubing replaces it, delivering a lighter, high-flow solution compatible with the OEM rear valance. Easy to install with hand tools, this muffler delete adds a powerful sound without significant drone, while shaving off about 20lbs from your vehicle. Upgrade your N52 without replacing the entire exhaust system!

    Key Features:

    • Turner designed Muffler & Resonator Delete for N52 engine
    • T304 stainless steel construction with 1.25mm wall thickness
    • CNC mandrel-bent 3.0" tubing for optimal exhaust gas routing
    • Tig-welded exhaust hangers for direct fitment
    • Hand-Tig welded joints for durability
    • Stainless steel Accuseal exhaust clamps for a leak-proof seal
    • Large radius bends ensure smooth transitions for optimal flow

    Kit Includes:

    • Y-pipe section
    • Tailpipe section
    • Dual 3.0" exhaust tips (Black Chrome finish)
    • Stainless steel Accuseal exhaust clamps

    See and hear the difference on the ECS YouTube page.

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    Doorbusters - Corporate Logo
    T#:22822623
    Part#: 008517LA01DBKT
    In Stock
    $ 1,161.99 USD
    Free Shipping
    $ 1,161.99 USD
    Free Shipping

    Unleash the roar of your N52 engine with the Turner Motorsport E9x N52 Muffler & Resonator Delete Kit. Elevate your driving experience by transforming your exhaust with this cost-effective kit, providing performance gains, a captivating exhaust note, and stunning exhaust tips. Shedding the heavy factory muffler, Turner's T304 stainless steel 3.0" tubing replaces it, delivering a lighter, high-flow solution compatible with the OEM rear valance. Easy to install with hand tools, this muffler delete adds a powerful sound without significant drone, while shaving off about 20lbs from your vehicle. Upgrade your N52 without replacing the entire exhaust system!

    Key Features:

    • Turner designed Muffler & Resonator Delete for N52 engine
    • T304 stainless steel construction with 1.25mm wall thickness
    • CNC mandrel-bent 3.0" tubing for optimal exhaust gas routing
    • Tig-welded exhaust hangers for direct fitment
    • Hand-Tig welded joints for durability
    • Stainless steel Accuseal exhaust clamps for a leak-proof seal
    • Large radius bends ensure smooth transitions for optimal flow

    Kit Includes:

    • Y-pipe section
    • Tailpipe section
    • Dual 3.0" exhaust tips (Black Chrome finish)
    • Stainless steel Accuseal exhaust clamps

    See and hear the difference on the ECS YouTube page.

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    FTP Motorsport - Corporate Logo
    T#:582223
    Part#: SG71324
    Special Order: No Guaranteed ETA
    $ 55.00 USD
    Free Shipping on orders $49 and up
    Dynamic Air Scoops will increase the air volume that enters the engine thus providing a denser air charge. They help to guide the flow of air through the kidney grilles and directly into the airbox. Designed to be used with a complete intake assembly or with a factory airbox. Features: Lightweight and durable aluminum construction Meant to be used with or without an intake system Easy installation
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    BMC - Corporate Logo
    T#:397417
    Part#: FB518/08
    Back Ordered
    $ 83.99 USD
    Free Shipping
    $ 83.99 USD
    Free Shipping
    Looking to upgrade your air filter for increased flow and performance? BMC filter allow significantly higher air flow and are perfectly molded in one piece to fit exactly the same as your stock air filter. These filters are constructed from multi-layerd cotton gauze that is pre-oiled and can be cleaned and regenerated using the BMC regeneration kit.
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    BMC - Corporate Logo
    T#:398732
    Part#: FB730/20
    Back Ordered
    $ 97.99 USD
    Free Shipping
    $ 97.99 USD
    Free Shipping
    Looking to upgrade your air filter for increased flow and performance? BMC filter allow significantly higher air flow and are perfectly molded in one piece to fit exactly the same as your stock air filter. These filters are constructed from multi-layerd cotton gauze that is pre-oiled and can be cleaned and regenerated using the BMC regeneration kit.
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    Forge - Corporate Logo
    T#:370918
    Part#: VC04R
    In Stock
    $ 15.99 USD
    Free Shipping on orders $49 and up

    Enhance Engine Performance with Silicone Vacuum Line

    Upgrade your car's vacuum system with the Silicone Vacuum Line, a vital component that significantly impacts engine performance. Engineered to resist heat and contaminants, this silicone hose promises exceptional durability, ensuring prolonged and reliable operation.

    Featuring an inner diameter of 4mm and a vibrant red color, this silicone hose arrives in a 9-foot section, offering the flexibility to customize lengths as needed. Damaged vacuum hoses can lead to various performance issues, from rough idling to engine starting problems. Promptly replace worn-out hoses to optimize your vehicle's overall performance.

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    K&N - Corporate Logo
    T#:4099
    Part#: 99-5050
    In Stock
    $ 18.99 USD
    Free Shipping on orders $49 and up
    Cleaning and re-oiling your K&N filter will prolong its life and maintain K&N's performance advantage. You should clean your filter every year with water and K&N's cleaning solution and re-oil the filter every two years. K&N air fitlers come pre-oiled.
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    Mishimoto - Corporate Logo
    T#:25241773
    Part#: MMCP-3035B
    In Stock
    $ 11.99 USD
    Free Shipping on orders $49 and up
    This transition coupler is constructed of high-quality heat resistant silicone, making it useful for fitting air intakes, intercooler piping, and more.
    DO88 - Corporate Logo
    T#:54852015
    Part#: DO88-KIT232-1B
    In Stock at Vendor
    New Item
    $ 86.99 USD
    $ 86.99 USD

    Forge - Corporate Logo
    T#:558490
    Part#: FORGEVAC
    In Stock
    Starting at $ 14.99 USD
    Free Shipping on orders $49 and up
    Starting at $ 14.99 USD
    Free Shipping on orders $49 and up
    Car suffering from vacuum leaks? Choose from a 4mm, 5mm, or 6mm diameter vacuum hose from Forge to fix your leak and bring your BMW back to life.

    3" To 2.5" Silicone Coupler 3" Length
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:363896
    Part#: 003402ECS04A-02
    Special Order: No Guaranteed ETA
    Sale - Save 10% $ 9.99

    This product was last offered at the strikethrough price on
    06-13-2026

    $ 8.99 USD
    Free Shipping on orders $49 and up
    Sale - Save 10%
    $ 9.99

    This product was last offered at the strikethrough price on
    06-13-2026

    $ 8.99 USD
    Free Shipping on orders $49 and up

    3" To 2.5" Silicone Coupler 3" Length

    Enhance the performance and durability of your BMW or MINI with the 3" To 2.5" Silicone Coupler 3" Length. This silicone coupler provides a reliable connection between components, ensuring optimal airflow and reducing the risk of leaks. Engineered for durability and heat resistance, it withstands high temperatures and harsh conditions. Upgrade your BMW or MINI with this premium silicone coupler for improved performance.

    • Reliable connection for optimal airflow
    • Reduces the risk of leaks for enhanced performance
    • Engineered for durability and heat resistance
    • Fits both BMW and MINI models
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    Forge - Corporate Logo
    T#:370917
    Part#: VC04
    Back Ordered
    $ 14.99 USD
    Free Shipping on orders $49 and up
    Car suffering from vacuum leaks? This vacuum hose has a 4mm inner diameter. 
    Forge - Corporate Logo
    T#:370915
    Part#: VC03R
    In Stock
    $ 14.99 USD
    Free Shipping on orders $49 and up

    Upgrade Your BMW with Forge 3MM Silicone Vacuum Hose - Red - 9 Feet

    Upgrade your BMW's vacuum system with the Forge 3MM Silicone Vacuum Hose in Red, a high-quality solution designed for optimal performance and durability. This 9-foot silicone vacuum hose provides superior flexibility and resistance to extreme temperatures, making it ideal for various automotive applications. Engineered with precision, it ensures reliable vacuum pressure for efficient engine operation and component functionality. Whether you're replacing worn-out hoses or customizing your BMW's vacuum setup, the Forge Silicone Vacuum Hose offers reliability and performance you can trust.

    • High-quality silicone construction for durability
    • Superior flexibility for easy installation
    • Resistant to extreme temperatures
    • Ensures reliable vacuum pressure for efficient engine operation
    • Ideal for various automotive applications

    Car suffering from vacuum leaks? This vacuum hose has a 3mm inner diameter. 

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    Forge - Corporate Logo
    T#:370919
    Part#: VC04B
    In Stock
    $ 14.99 USD
    Free Shipping on orders $49 and up
    Car suffering from vacuum leaks? This vacuum hose has a 4mm inner diameter. 
    Burger Motorsports - Corporate Logo
    T#:20815185
    Part#: BMSWMITC
    In Stock
    $ 59.00 USD
    Free Shipping on orders $49 and up
    The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! Each cap is CNC machined in the USA from a solid block of billet aluminum, engraved with the BMS logo, and anodized blue for protection. Check valve piston must be lightly lubricated if tank shows signs of vacuum. One drop of penetrating oil or motor oil in the top will keep the check valve operational. Features and Benefits Integrated heavy-duty check valve lets air in but not out Specifically designed to prevent evaporation Keeps vapors inside the tank Made from a solid block of billet aluminum Blue anodizing for corrosion protection Exaggerated grips for easy removal Integrated heavy-duty o-ring Made in the USA
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