{"product_id":"eventuri-bmw-b58-g20-g21-g22-carbon-intake-system-m340i-m440i","title":"Eventuri BMW B58 Carbon Fibre Cold Air Intake \/ Induction Kit G20 G21 G22 G23 (M340i \u0026 M440i) - Sealed Dual-Feed Airbox, Enlarged Carbon Inlet Tube - V1\/V2","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eEventuri B58 Carbon Fibre Intake Upgrade for BMW G20 G21 G22 G23 M340i and M440i\u003c\/h2\u003e\n  \u003cp\u003e\n    Unlock sharper response and addictive turbo acoustics with Eventuri’s autoclaved carbon induction system for the BMW G-series six‑cylinder. This premium closed airbox setup feeds your turbocharger with cool, high volume airflow via twin fresh‑air channels and an oversized smooth‑bore carbon intake pipe, delivering a genuine cold‑air solution that resists heat soak and cuts pressure drop.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    At MJ Modifications we have installed and used this kit extensively on customer cars. Feedback is consistently excellent, with owners reporting crisper throttle, quicker spool in the mid‑range, reduced intake temperatures in traffic and a tasteful induction note without cabin drone. If you want a top‑tier air intake upgrade that looks as good as it performs, this is the one.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy this intake belongs on your B58\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eClosed airbox with twin cold‑air feeds, primary front duct plus a secondary arch duct for consistent intake temps beside the hot manifold.\u003c\/li\u003e\n    \u003cli\u003eGold heat barrier on the manifold side helps block radiant heat for repeatable performance on road and track.\u003c\/li\u003e\n    \u003cli\u003eMaximum airbox volume, pre‑preg carbon construction with a smooth internal surface for efficient airflow.\u003c\/li\u003e\n    \u003cli\u003eOversize carbon intake pipe, up to approximately 109 mm internal diameter on post Nov 2018 cars, tapering cleanly to the turbo inlet to reduce turbulence versus the corrugated OE tube.\u003c\/li\u003e\n    \u003cli\u003eHigh‑flow dry cone filter, ISO‑tested media, larger filtering area than factory, with an internal flow cone to aid velocity and convergence.\u003c\/li\u003e\n    \u003cli\u003ePrecision hardware throughout, CNC machined sensor and breather mounts, stainless brackets, quality silicone and clamps.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTechnical highlights\u003c\/h3\u003e\n  \u003cp\u003e\n    The G‑chassis straight‑six places the intake next to the exhaust manifold, so temperature control is vital. Eventuri’s sealed carbon airbox encapsulates the filter and uses a perimeter seal to keep engine bay air out. A gold reflective shield faces the hot side, while a secondary cold‑air path from the wheel‑arch area supplements the main front duct so the turbo can breathe from a larger, cooler air supply even at low speeds.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    The factory intake hose has a flexible, convoluted section that can disturb flow. Eventuri replaces it with a smooth‑bore, larger diameter carbon tube that maintains velocity and reduces pressure drop. The tube integrates neatly with OEM connections and includes CNC machined provisions for the relevant sensor and breather.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eVersions and part numbers\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW revised the sensor arrangement around late 2018. Choose the correct version for your production date and sensor type:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEVE-G20B58-V1-INT\u003c\/strong\u003e - V1 for vehicles built before November 2018, mass airflow sensor located in the intake tube.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEVE-G20B58-V2-INT\u003c\/strong\u003e - V2 for vehicles built after November 2018, temperature sensor located in the intake tube.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Not sure which you need? Remove the sensor from your stock intake pipe and check whether it is a MAF sensor or a temperature sensor before ordering.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat you get\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCarbon fibre airbox with twin fresh‑air feeds\u003c\/li\u003e\n    \u003cli\u003eEventuri high‑flow dry cone filter\u003c\/li\u003e\n    \u003cli\u003eSmooth‑bore carbon intake tube\u003c\/li\u003e\n    \u003cli\u003eCNC machined mounts for sensor and breather\u003c\/li\u003e\n    \u003cli\u003eGold backed heat shield\u003c\/li\u003e\n    \u003cli\u003eLaser‑cut stainless brackets\u003c\/li\u003e\n    \u003cli\u003eQuality silicone reducer with OEM‑style clamps\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eVehicle compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW 3 Series G20 M340i xDrive and rear‑wheel drive, B58\u003c\/li\u003e\n    \u003cli\u003eBMW 3 Series G21 M340i Touring xDrive and rear‑wheel drive, B58\u003c\/li\u003e\n    \u003cli\u003eBMW 4 Series G22 M440i Coupe xDrive and rear‑wheel drive, B58\u003c\/li\u003e\n    \u003cli\u003eBMW 4 Series G23 M440i Convertible xDrive and rear‑wheel drive, B58\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Note, cars produced before November 2018 typically require V1. Cars produced after November 2018 typically require V2.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWho it suits\u003c\/h3\u003e\n  \u003cp\u003e\n    Ideal for standard vehicles seeking improved response and sound, and equally at home on Stage 1 and Stage 2 software calibrations where lower restriction and better temperature control help the turbo work more efficiently.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eProfessional fitting\u003c\/h3\u003e\n  \u003cp\u003e\n    Direct replacement for the factory airbox and hose. Professional installation recommended. For expert fitting and setup, contact MJ Modifications in Warwickshire for a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eManufacturer and warranty\u003c\/h3\u003e\n  \u003cp\u003e\n    Manufactured by Eventuri. One year Eventuri warranty.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch terms customers use\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW M340i induction system, BMW M440i air intake upgrade, B58 turbo inlet pipe, G20 M340i airbox kit, G21 M340i Touring intake kit, G22 M440i performance intake, G23 M440i convertible intake, carbon fibre airbox BMW, high flow intake for B58, sealed intake for G‑series BMW, heat shielded intake kit, twin feed airbox, B58 intake pipe upgrade, BMW straight six intake system, turbo intake hose upgrade, performance air filter kit BMW 3 Series, performance air filter kit BMW 4 Series, UK BMW tuning parts supplier, Eventuri carbon system for B58, M340i induction upgrade UK, M440i induction upgrade UK.\n  \u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Eventuri","offers":[{"title":"V1 (Before Nov 2018)","offer_id":56008717369730,"sku":null,"price":1399.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/EventuriBMWB58G20G21M340iCarbonIntakeSystem-1_1946x_61381bfe-897a-46aa-ba02-51d26577de24.jpg?v=1764091276","url":"https:\/\/mjmodifications.co.uk\/products\/eventuri-bmw-b58-g20-g21-g22-carbon-intake-system-m340i-m440i","provider":"MJ Modifications","version":"1.0","type":"link"}