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Karbonius Composites BMW Intake Manifold Components (DISA, Vacuum, CCV, Etc)

The intake manifold takes incoming air from the intake and distributes it to each cylinder. Over the years the manifolds have gotten more sophisticated and complex. Most of the additional work that it does is emissions-related - recirculating vapors back into the engine to be re-used. But there are also performance innovations such as BMW's DISA variable intake runners. All of the modern innovations have a part behind it and here you will find replacement components.

In some BMW models there are performance improvements with intake manifolds. These intake manifold upgrades use mostly BMW parts and are a direct replacement for your stock manifold. We offer manifolds and kits to make the conversion work easier.

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Karbonius E46 M3 CSL (S54) Carbon Airbox - Gloss Finish
Karbonius E46 M3 CSL (S54) Carbon Airbox - Gloss Finish
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:35019964
Part#: E46AD02-CF-2
Ships on Aug 11, 2026
$ 2,349.00 USD
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$ 2,349.00 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 CSL Carbon Snorkel - E46 M3 (S54) - Gloss
Karbonius CSL Carbon Snorkel - E46 M3 (S54) - Gloss
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Karbonius Composites - Corporate Logo
T#:29931698
Part#: E46AD04-CF-2
Ships in 9 Business Days
$ 779.00 USD
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$ 779.00 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.
Karbonius E46 M3 CSL (S54) Carbon Snorkel - Matte Finish
Karbonius E46 M3 CSL (S54) Carbon Snorkel - Matte Finish
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Karbonius Composites - Corporate Logo
T#:35727834
Part#: E46AD04-CFM-2
Ships in 3 Business Days
$ 809.00 USD
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$ 809.00 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 E9X M3 (S65) Carbon Inlet Plenum And Intake System
Karbonius E9X M3 (S65) Carbon Inlet Plenum And Intake System ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Karbonius Composites - Corporate Logo
T#:36303289
Part#: E92AD02-CF-2
Ships in 8 Business Days
$ 3,909.00 USD
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$ 3,909.00 USD
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This complete carbon fiber intake manifold replaces the factory plastic with a beautiful carbon fiber piece, also includes is a carbon fiber intake elbow from the manifold to airbox and a carbon fiber airbox cover to complete the carbon fiber transformation of you engine bay! *Does not include an ///M Badge*
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Carbon Fiber OEM-Style Intake Manifold - E46 M3
Carbon Fiber OEM-Style Intake Manifold - E46 M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Karbonius Composites - Corporate Logo
T#:37521034
Part#: E46AD09-CF-2
Ships in 3 Business Days
$ 1,699.00 USD
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$ 1,699.00 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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