{"title":"E46 Intakes","description":"","products":[{"product_id":"karbonius-e46-m3-s54-carbon-airbox-oem-style","title":"Karbonius E46 M3 (S54) Carbon Airbox - OEM Style","description":"\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAirbox\u003c\/li\u003e\n\u003cli\u003eCNC machine-made items of anodized aluminum\u003c\/li\u003e\n\u003cli\u003eStainless-steel screws\u003c\/li\u003e\n\u003cli\u003eCertificate of authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe M3 CSL Carbon Airbox is one of the most demanded improvements among E46 M3 enthusiasts. This is due to the performance gain of course, but even more enjoyable is the intake sound it brings to car. Unfortunately, upgrading to the CSL airbox is both labor intensive and time-consuming; requiring a number of additional parts, wiring, and software. As such, it's a rather expensive modification.\u003c\/p\u003e\n\u003cp\u003eFor those who are looking for a similar sound to the CSL carbon airbox but are less concerned about a performance gain, Karbonius has developed an OEM Style S54 carbon airbox. It is a simplified version of the CSL airbox and, apart from the louder intake sound\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(+12 dB compared to plastic OEM airbox)\u003c\/strong\u003e, provides an awesome appearance and easy installation using standard intake elbow and MAF. No need to install any additional hardware or a remap.\u003c\/p\u003e\n\u003cp\u003eRegarding a power increase, Karbonius observed\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e+4HP compared to the OEM airbox in a recent dyno test.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNot significant enough of a gain with a 2% margin of error. Therefore, pending any additional testing, they claim no significant power increase, but no HP loss either.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor E46 M3 SMG models, a genuine CSL SMG reservoir and bracket are needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSimilar sound to CSL carbon airbox\u003c\/li\u003e\n\u003cli\u003eSaves roughly 8lbs compared to OEM plastic airbox\u003c\/li\u003e\n\u003cli\u003eNo remap software required\u003c\/li\u003e\n\u003cli\u003e100% Carbon Prepreg\u003c\/li\u003e\n\u003cli\u003eCured in autoclave\u003c\/li\u003e\n\u003cli\u003eHigh gloss UV protection varnish\u003c\/li\u003e\n\u003cli\u003e2 year guarantee\u003c\/li\u003e\n\u003cli\u003e2005-2006 M3 models and Z4 require pre-2005 throttle body boots and modified crankcase breather hose (see installed photo; Eventuri intake not included)\u003c\/li\u003e\n\u003cli\u003eE46 M3 SMG package includes OEM M3 CSL SMG reservoir and bracket; OE mounting location is drivers' side strut tower\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Karbonius","offers":[{"title":"Default Title","offer_id":44504913412232,"sku":"E46AD09-CF-2","price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/8170\/0232\/files\/KARB-OEM-1.webp?v=1763998478"},{"product_id":"eventuri-e46-m3-hybrid-carbon-airbox-system-1","title":"Eventuri E46 M3 Hybrid Carbon Airbox System","description":"\u003c!-- PRODUCT LISTING: BMW E46 M3 Hybrid Carbon Airbox System --\u003e\n\u003cdiv itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\n\u003cp itemprop=\"description\"\u003ePresenting the Eventuri Hybrid Airbox System, a breakthrough intake solution for the BMW E46 M3. This system delivers the aggressive, race inspired sound of the CSL airbox with the smooth drivability and plug and play simplicity of a traditional intake. Owners no longer need to remove the MAF sensor or perform costly ECU conversions. The Hybrid Airbox provides CSL sound and performance with MAF compatibility, no remap required, and factory smooth throttle response.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eVariant Option\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHybrid Airbox + Full Carbon Intake\u003c\/td\u003e\n\u003ctd\u003e\u003cspan itemprop=\"sku\"\u003eEVE-E46ABX-CF-INT\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eOwners upgrading from the factory airbox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHybrid Airbox Only, reuse Eventuri intake housing and scoop\u003c\/td\u003e\n\u003ctd\u003eEVE-E46ABX-CF-PLM\u003c\/td\u003e\n\u003ctd\u003eExisting Eventuri intake owners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAuthentic CSL induction sound with full MAF compatibility\u003c\/li\u003e\n\u003cli\u003eNo ECU conversion required and no tune required\u003c\/li\u003e\n\u003cli\u003eSmooth, OEM like throttle response and drivability\u003c\/li\u003e\n\u003cli\u003eCFD optimized internal geometry for efficient flow\u003c\/li\u003e\n\u003cli\u003ePatented Venturi filter housing for stable, laminar airflow\u003c\/li\u003e\n\u003cli\u003ePrepreg carbon construction for strength, heat stability, and resonance\u003c\/li\u003e\n\u003cli\u003eCold air scoop saturates the intake mouth while preserving brake duct airflow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat Is Included\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFull Hybrid Airbox + Intake (EVE-E46ABX-CF-INT)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon fiber main airbox\u003c\/li\u003e\n\u003cli\u003eCarbon fiber airbox snorkel with MAF tube and CNC MAF boss\u003c\/li\u003e\n\u003cli\u003eSix pre-installed thermoplastic molded trumpets with CNC stainless reinforcement rings\u003c\/li\u003e\n\u003cli\u003eCarbon fiber filter housing\u003c\/li\u003e\n\u003cli\u003eBespoke dry high flow filter\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cold air scoop\u003c\/li\u003e\n\u003cli\u003eStainless steel brackets and flanges\u003c\/li\u003e\n\u003cli\u003eCNC machined breather adapters\u003c\/li\u003e\n\u003cli\u003eCustom EPDM flexible coupler\u003c\/li\u003e\n\u003cli\u003eSilicone couplers\u003c\/li\u003e\n\u003cli\u003eCrankcase breather hose\u003c\/li\u003e\n\u003cli\u003eAdditional vacuum tubing and mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHybrid Airbox Only, reuse existing Eventuri intake (EVE-E46ABX-CF-PLM)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon fiber main airbox\u003c\/li\u003e\n\u003cli\u003eCarbon fiber airbox snorkel with MAF tube and CNC MAF boss\u003c\/li\u003e\n\u003cli\u003eSix thermoplastic molded trumpets with CNC stainless reinforcement rings\u003c\/li\u003e\n\u003cli\u003eStainless steel brackets and flanges\u003c\/li\u003e\n\u003cli\u003eCNC machined breather adapters\u003c\/li\u003e\n\u003cli\u003eCustom EPDM flexible coupler\u003c\/li\u003e\n\u003cli\u003eSilicone couplers\u003c\/li\u003e\n\u003cli\u003eCrankcase breather hose\u003c\/li\u003e\n\u003cli\u003eAdditional vacuum tubing and mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Details\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe main airbox houses six trumpets and the breather connectors. It is manufactured from prepreg carbon fiber and is designed to resonate under load to produce the desired CSL sound. Long term reliability at the trumpet interface is ensured by mechanical fasteners and gaskets that maintain an airtight seal through heat cycles and vibration. The same method secures the breather adapters.\u003c\/p\u003e\n\u003cp\u003eThe trumpets are injection molded from glass fiber reinforced thermoplastic to achieve precise geometry and smooth internal surfaces. CNC stainless rings prevent deformation when silicone couplers are tightened.\u003c\/p\u003e\n\u003cp\u003eThe snorkel channels airflow from the intake into the trumpet area. It incorporates the MAF tube where the OEM sensor mounts to a CNC machined boss. Custom screws engage plastic clips so the snorkel remains secure under vibration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCFD Optimised Development\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe airbox shape was refined through iterative CFD simulations to ensure each trumpet receives adequate flow without starvation from geometry limits or turbulence.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePatented Filter Housing Technology\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe carbon pod shrouds a reverse mounted bespoke dry filter and reduces cross section smoothly toward the plenum. This invokes the Venturi effect, accelerating airflow while maintaining laminar conditions and reducing pressure loss through the system. The smoother flow into the MAF section allows the sensor to operate without errors.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCold Air Scoop\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 100 percent prepreg carbon scoop with CNC machined collar locates in the front left brake duct. It saturates the intake mouth with ambient air while leaving half the duct height open for brake cooling. After a hard drive the aluminum cowl at the intake mouth will still feel cold to the touch.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBMW E46 M3, model years 2001 to 2006\u003c\/li\u003e\n\u003cli\u003eS54 engine\u003c\/li\u003e\n\u003cli\u003eLHD and RHD compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Highlights\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrepreg carbon fiber, autoclave cured\u003c\/li\u003e\n\u003cli\u003ePatented Venturi filter housing\u003c\/li\u003e\n\u003cli\u003eCNC machined MAF boss and breather adapters\u003c\/li\u003e\n\u003cli\u003eStainless hardware and reinforcement rings\u003c\/li\u003e\n\u003cli\u003eGasketed, mechanically fastened interfaces for long term sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e** This item is not eligible for return **\u003c\/strong\u003e\u003c\/p\u003e\n\u003cmeta itemprop=\"mpn\" content=\"EVE-E46ABX-CF-PLM\"\u003e\n\u003c\/div\u003e\n\u003c!-- Optional FAQ Schema for enhanced snippets --\u003e\u003c!-- Recommended Meta for Shopify SEO fields --\u003e\u003c!--\nMeta Title: Eventuri Hybrid Carbon Airbox for BMW E46 M3 | MAF Compatible CSL Sound\nMeta Description: Eventuri Hybrid Airbox for BMW E46 M3 delivers CSL sound with OEM smooth driveability. MAF compatible, CFD optimised, patented Venturi filter housing. No remap required.\n--\u003e","brand":"Eventuri","offers":[{"title":"For Existing Eventuri Intake Owners","offer_id":44706144190600,"sku":"EVE-E46ABX-CF-PLM","price":2695.0,"currency_code":"USD","in_stock":true},{"title":"With Eventuri Intake","offer_id":44706144223368,"sku":"EVE-E46ABX-CF-INT","price":3150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/8170\/0232\/files\/54878613478_072f871fe0_b.jpg?v=1769032715"},{"product_id":"eventuri-bmw-e46-m3-black-carbon-intake-system-1","title":"Eventuri BMW E46 M3 Black Carbon Intake System","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-sheets-root=\"1\"\u003eEngineered specifically for the legendary S54 platform, the Eventuri BMW E46 M3 Black Carbon Intake System is a true performance-driven upgrade—not simply a cosmetic intake replacement. Designed from the ground up using Eventuri’s patented carbon fiber housing, this E46 M3 intake system creates a smooth, aerodynamically optimized airflow path from the filter to the MAF, maximizing efficiency while preserving OEM drivability.\u003cbr\u003e\u003cbr\u003eUnlike traditional cone-style intakes that rely on exposed filters and basic heat shielding, the Eventuri BMW E46 M3 Black Carbon Intake System utilizes the Venturi effect to accelerate airflow and reduce turbulence before it reaches the engine. Extensive dyno testing, road data logging, and real-world validation ensured this M3 black carbon intake delivers measurable gains while remaining fully compatible with the factory ECU calibration and MAF sensor.\u003cbr\u003e\u003cbr\u003eWith documented power increases of approximately 10–15 horsepower and 8–12 ft-lb of torque, this system enhances throttle response and top-end performance without compromising reliability. A dedicated carbon air scoop and insulated heat shields help maintain lower intake air temperatures, ensuring consistent performance in all driving conditions.\u003cbr\u003e\u003cbr\u003eCrafted from 100% prepreg carbon fiber and precision-machined components, the Eventuri BMW E46 M3 Black Carbon Intake System delivers both functional performance and a refined engine bay aesthetic worthy of BMW’s iconic M3.\u003cbr\u003e\u003cbr\u003eKey Features \u0026amp; Components:\u003cbr\u003e\u003cbr\u003ePatented prepreg carbon fiber intake housing\u003cbr\u003e\u003cbr\u003eCNC-machined MAF tube for OEM-level compatibility\u003cbr\u003e\u003cbr\u003eHigh-flow performance air filter\u003cbr\u003e\u003cbr\u003ePrepreg carbon fiber air scoop with aluminum collar\u003cbr\u003e\u003cbr\u003eAnodized aluminum inlet cowling\u003cbr\u003e\u003cbr\u003eMulti-piece aluminum heat shields with neoprene lining\u003cbr\u003e\u003cbr\u003eHigh-quality silicone coupler with BMW-spec hose clamps\u003cbr\u003e\u003cbr\u003eFor enthusiasts seeking a proven, intelligently engineered E46 M3 intake system, the Eventuri BMW E46 M3 Black Carbon Intake System offers authentic performance gains, refined sound, and premium construction—without compromise.\u003c\/span\u003e\u003c\/p\u003e","brand":"Eventuri","offers":[{"title":"Default Title","offer_id":44709605572744,"sku":"EVE-E46-CF-INT","price":1070.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/8170\/0232\/files\/15355901254_a5e98206c7_b.jpg?v=1769091002"},{"product_id":"eventuri-carbon-intake-system-replacement-filter-type-b","title":"Eventuri Carbon Intake System Replacement Filter - Type B","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-sheets-root=\"1\"\u003eRestore peak airflow and filtration performance to your intake with the Eventuri Carbon Intake System Replacement Filter – Type B. Engineered specifically for Eventuri’s carbon intake systems, this precision-built intake system replacement filter is designed to deliver OEM-level filtration with performance-focused airflow characteristics—without relying on off-the-shelf components.\u003cbr\u003e\u003cbr\u003eUnlike generic alternatives, the Eventuri Carbon Intake System Replacement Filter – Type B features Eventuri’s proprietary, reverse-mounted filter architecture developed through extensive in-house R\u0026amp;D. The filter media utilizes a dry, double-layer non-woven mesh that meets ISO 5011 filtration standards, ensuring effective particle capture while remaining completely safe for sensitive MAF sensors. No oiling is required, eliminating the risk of contamination while maintaining consistent performance.\u003cbr\u003e\u003cbr\u003eA defining feature of this Type B replacement filter is its dual flow-directing cone design. The internal cone is shaped to distribute incoming air evenly across the full surface of the filter, promoting smooth velocity and reducing localized turbulence. The external cone is CNC-machined with a carefully optimized profile to guide airflow toward the center and transition efficiently into the downstream intake tubing. This design accelerates air convergence, improving airflow velocity as it enters the engine.\u003cbr\u003e\u003cbr\u003eWhether replacing a worn filter or keeping a spare on hand for routine maintenance, the Eventuri Carbon Intake System Replacement Filter – Type B ensures your intake system continues to perform exactly as intended by Eventuri engineers.\u003cbr\u003e\u003cbr\u003ePrice includes one filter. Some applications require two filters—please review the application list below to confirm your configuration.\u003cbr\u003e\u003cbr\u003eCompatible Applications:\u003cbr\u003e\u003cbr\u003eAudi B9 RS4 \/ RS5\u003cbr\u003e\u003cbr\u003eAudi B9 S4 \/ S5\u003cbr\u003e\u003cbr\u003eAudi 8V RS3 (Gen. 1 Intake Only)\u003cbr\u003e\u003cbr\u003eAudi 8V S3\u003cbr\u003e\u003cbr\u003eAudi 8S TTRS\u003cbr\u003e\u003cbr\u003eBMW F2X \/ F3X B58 Models\u003cbr\u003e\u003cbr\u003eBMW F2X \/ F3X N55 Models\u003cbr\u003e\u003cbr\u003eBMW F87 M2 N55\u003cbr\u003e\u003cbr\u003eBMW E46 M3\u003cbr\u003e\u003cbr\u003eBMW E39 M5*\u003cbr\u003e\u003cbr\u003eBMW E6X M5 \/ M6*\u003cbr\u003e\u003cbr\u003eBMW F10 M5*\u003cbr\u003e\u003cbr\u003eBMW F1X M6*\u003cbr\u003e\u003cbr\u003eBMW F90 M5*\u003cbr\u003e\u003cbr\u003eBMW F9X M8*\u003cbr\u003e\u003cbr\u003eBMW F95 \/ F96 \/ G09 X5M, X6M, XM*\u003cbr\u003e\u003cbr\u003eBMW G05 \/ G06 \/ G07 M60i*\u003cbr\u003e\u003cbr\u003eBMW E85 \/ E86 Z4M\u003cbr\u003e\u003cbr\u003eChevrolet C8 Z06 Corvette\u003cbr\u003e\u003cbr\u003eMercedes C190 \/ R190 AMG GT*\u003cbr\u003e\u003cbr\u003eLamborghini Huracan*\u003cbr\u003e\u003cbr\u003eVW MK7 Golf GTI \/ R\u003cbr\u003e\u003cbr\u003e* Applications marked with an asterisk require two filters\u003cbr\u003e\u003cbr\u003eAlternate SKU: EVE-ND661-FTR\u003cbr\u003e\u003cbr\u003eThe Eventuri Carbon Intake System Replacement Filter – Type B is the correct choice for enthusiasts seeking a direct-fit, high-performance carbon intake system filter solution—engineered for efficiency, durability, and uncompromised airflow. It is also commonly searched as a tybe b replacement filter for Eventuri-equipped vehicles.\u003c\/span\u003e\u003c\/p\u003e","brand":"Eventuri","offers":[{"title":"Default Title","offer_id":44709733335176,"sku":"EVE-661-G2-FTR","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/8170\/0232\/files\/eventuri_replacement_air_filter_g2_5.jpg?v=1769092257"}],"url":"https:\/\/ep3motorsports.com\/collections\/e46-intakes.oembed","provider":"EP3 Motorsports","version":"1.0","type":"link"}