BMW Intake Parts for BMW 3 Series E46 (1999-2005)

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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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Air Adjustment Unit/DISA Valve Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:5498497
Part#: 11617544806DKT
In Stock
Sale - Save 25% $ 162.99

This product was last offered at the strikethrough price on
05-03-2026

$ 122.12 USD
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Sale - Save 25%
$ 162.99

This product was last offered at the strikethrough price on
05-03-2026

$ 122.12 USD
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A bad DISA valve can cause a variety of issues, from a loud racket in the engine bay, hesitation at low rpm and a rough idle with lean codes. If the valve is making a loud noise, we recommend replacing it as soon as possible. It is possible for the pin holding the flap to be sucked into the motor causing serious damage. Very easy to replace, just need to undo the 4 bolts holding it to the intake manifold. Includes new mounting hardware
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Comprehensive Constant Pressure Valve Replacement Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:557341
Part#: 11111318185TMSKT
In Stock
Sale - Save 2% $ 85.93

This product was last offered at the strikethrough price on
05-03-2026

$ 84.32 USD
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Sale - Save 2%
$ 85.93

This product was last offered at the strikethrough price on
05-03-2026

$ 84.32 USD
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When your CPV O-ring fails it causes a slow oil leak on the passenger side of the engine, making an oily mess that frequently resembles a rear main seal leak. Replacing the CPV with an upgraded o-ring ensures a long-term solution to this common problem. 

The factory o-ring over time fails from heat cycling and oil exposure due to the Buna rubber used in OEM o-rings, while the included Viton Fluoroelastomer is resistant to a much higher temperature to ensure prolonged life without leaking. 

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Karbonius Composites - Corporate Logo
T#:35019964
Part#: E46AD02-CF-2
Back Ordered
$ 2,425.00 USD
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$ 2,425.00 USD
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The ultimate intake for the E46 M3, made from prepeg carbon fiber in the same weave as the Genuine airbox for a OE look. The Karbonius airbox also features carbon fiber intake trumpets in place of the factory's plastic trumps, and are finished to a ultra smooth finish for perfect airflow.

OPTIONAL ESS E46 M3 Alpha-N E-Flash ECU Tuning Software

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Karbonius Composites - Corporate Logo
T#:29931698
Part#: E46AD04-CF-2
In Stock
$ 884.00 USD
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$ 884.00 USD
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Snorkel extension the allows ducting from CSL bumper to airbox, requires use of CSL style airbox and mounts like the factory flap unit.

Air Adjustment Unit/DISA Valve Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:15710824
Part#: 11617544805-KT
In Stock
Sale - Save 25% $ 155.99

This product was last offered at the strikethrough price on
05-03-2026

$ 116.87 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 155.99

This product was last offered at the strikethrough price on
05-03-2026

$ 116.87 USD
Free Shipping on orders $49 and up
A bad DISA valve can cause a variety of issues, from a loud racket in the engine bay, hesitation at low rpm and a rough idle with lean codes. If the valve is making a loud noise, we recommend replacing it as soon as possible. It is possible for the pin holding the flap to be sucked into the motor causing serious damage. Very easy to replace, just need to undo the 4 bolts holding it to the intake manifold. Includes new mounting hardware
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Karbonius Composites - Corporate Logo
T#:7164824
Part#: E46AD03
Ships in 8 Business Days
$ 2,420.00 USD
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$ 2,420.00 USD
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Intake system made 100% in prepreg carbon fiber in autoclave

Karbonius Composites - Corporate Logo
T#:35727834
Part#: E46AD04-CFM-2
Ships in 3 Business Days
$ 919.00 USD
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$ 919.00 USD
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Karbonius E46 M3 CSL (S54) Carbon Snorkel - 2x2 Weave and Matte Finish

Karbonius E46 M3 CSL (S54) Carbon Snorkel - 2x2 Weave and Matte Finish is the ultimate performance and style upgrade for BMW E46 M3 enthusiasts. This high-quality carbon fiber snorkel is designed to replicate the renowned CSL design, enhancing airflow efficiency and engine performance while providing a sleek, race-inspired aesthetic. Made with a premium 2x2 carbon fiber weave and finished with a durable matte coating, it offers the perfect balance of form and function. Available through Turner Motorsport, this component ensures authenticity and precision engineering for the discerning BMW owner.

Key Benefits

  • Precision-crafted for seamless fitment on BMW E46 M3 models
  • Improves airflow for optimized S54 engine performance
  • Constructed with a 2x2 carbon fiber weave for superior strength and lightweight durability
  • Matte finish adds a modern, sporty aesthetic to the engine bay
  • Inspired by the legendary CSL design for an authentic motorsport upgrade
  • Available exclusively from trusted BMW performance specialists, Turner Motorsport

Elevate your E46 M3’s performance and style with the Karbonius E46 M3 CSL (S54) Carbon Snorkel - 2x2 Weave and Matte Finish, a must-have for enthusiasts aiming to achieve the ultimate driving experience.

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Karbonius Composites - Corporate Logo
T#:39329313
Part#: E46AD02-CFM-2
Back Ordered
$ 2,529.00 USD
Free Shipping
$ 2,529.00 USD
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The intake generates what is probably one of the best noises of any sports car. The Karbonius CSL Style Airbox weighs in at a scant 1.7kg. It is made with 100% prepreg carbon fiber and baked at 125º in an autoclave at their facility in Spain under ISO 9001 Management Quality System rules by qualified staff.
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Air Adjustment Unit/DISA Valve Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:15677538
Part#: 11617533344-KT
In Stock
Sale - Save 25% $ 162.99

This product was last offered at the strikethrough price on
05-03-2026

$ 122.12 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 162.99

This product was last offered at the strikethrough price on
05-03-2026

$ 122.12 USD
Free Shipping on orders $49 and up
A bad DISA valve can cause a variety of issues, from a loud racket in the engine bay, hesitation at low rpm and a rough idle with lean codes. If the valve is making a loud noise, we recommend replacing it as soon as possible. It is possible for the pin holding the flap to be sucked into the motor causing serious damage. Very easy to replace, just need to undo the 4 bolts holding it to the intake manifold. Includes new mounting hardware
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Air Intake Boot Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:15710812
Part#: 13541705209-KT
Ships in 1 Business Day
Sale - Save 28% $ 129.99

This product was last offered at the strikethrough price on
05-03-2026

$ 93.66 USD
Free Shipping on orders $49 and up
Sale - Save 28%
$ 129.99

This product was last offered at the strikethrough price on
05-03-2026

$ 93.66 USD
Free Shipping on orders $49 and up
The air intake boots are a common source of vacuum leaks, as with age they harden and crack, this kit includes every thing needed to replace both boots and a new aluminum F connector to replace the factory brittle plastic connector.
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Karbonius Composites - Corporate Logo
T#:37521034
Part#: E46AD09-CF-2
Back Ordered
$ 1,879.00 USD
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$ 1,879.00 USD
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The CSL Airbox is one of the most demanded improvements among BMW M3 E46 enthusiasts. That is both for performance gain and for the sound it brings to the car. On the other hand, it is a laborious, time-consuming, and expensive modification. For those who are looking for a similar sound to the CSL airbox but are not looking for HP gain, we have developed the Karbonius OEM Style S54 airbox. It is a simplified version of the CSL airbox, that, apart from a louder sound from the engine (+12 dB compared to plastic OEM), gives an awesome appearance and allows for easy installation using the stock elbow and MAF sensor. No need to remap! Regarding power increase, we got +4HP in a recent dyno test compared with the OEM airbox. Not really significant considering that dynos can have a 2% margin error. In conclusion, and pending new tests in the future, we can say no significant power increase and no HP loss. NOTES: Need to install with CSL Crankcase breather hose -- BMW # 11157833649) In SMG version, need to install a Genuine BMW CSL SMG Expansion Tank -- BMW # 21532282549 Fitment: BMW M3 E46 BMW Z4 M
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Idle Control Valve Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:15744026
Part#: 11611437453-KT
In Stock
$ 173.13 USD
Free Shipping on orders $49 and up
Located in the intake system, this part is a common source of idle issues. This kit includes a new mount and idle control valve grommet


Air Intake Boot Refresh Kit with High-Flow Panel Filter
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:26771752
Part#: M52TUBTFLTRKT2
Back Ordered
Sale - Save 19% $ 167.99

This product was last offered at the strikethrough price on
05-03-2026

$ 136.79 USD
Free Shipping on orders $49 and up
Sale - Save 19%
$ 167.99

This product was last offered at the strikethrough price on
05-03-2026

$ 136.79 USD
Free Shipping on orders $49 and up

If you're seeking to eradicate vacuum leaks and enhance the overall airflow of your intake system, look no further than this comprehensive kit.

The M52TU/M54 air intake boots have gained notoriety for their tendency to crack, resulting in vacuum leaks, triggering check engine lights, and causing various performance issues. The soft rubber boots are constantly exposed to high temperatures from the engine, leading them to become brittle and prone to cracking over time. These cracks permit unmeasured air intake beyond the airflow meter, resulting in rough idling, sputtering, or even engine stalls.

This kit offers a solution by providing both lower and upper air intake boots/hoses for a complete repair. Additionally, as a bonus, the kit includes an ECS Exact-Fit High-Flow Air Filter to optimize your vehicle's intake tract.

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