{"product_id":"bmw-b58-gen-2-g-series-m340i-m440i-m240i-closed-air-intake","title":"BMW B58 Gen 2 G-Series M340i\/M440i\/M240i Closed Air Intake","description":"\u003ch2\u003eBMW B58 Gen 2 G-Series M340i\/M440i\/M240i Closed Air Intake\u003c\/h2\u003e\n\u003cp\u003eUnlock the full induction sound and airflow potential of your BMW B58TU-powered G-Series platform with this Closed Air Intake System — engineered to maximise airflow, improve turbocharger efficiency, and deliver a refined balance of performance and everyday drivability.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for the 3.0L Turbocharged B58 Gen 2 (B58TU) engine, this intake system replaces the restrictive factory airbox with a high-flow enclosed design that allows the turbocharger to breathe more efficiently while shielding the intake system from engine bay heat. The result is improved throttle response, enhanced turbo spool characteristics, increased airflow capacity, and a more pronounced induction sound.\u003c\/p\u003e\n\u003cp\u003eManufactured using premium materials and equipped with high-flow performance air filters, the enclosed design helps maintain cooler intake temperatures while preserving OEM-like refinement and reducing unwanted heat soak. Whether you're running a stock vehicle, Stage 1 tune, or a higher-powered setup, this intake system provides an excellent balance of performance, reliability, and aesthetics.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eClosed Airbox Design\u003c\/h3\u003e\n\u003cp\u003eEnclosed intake housing helps isolate the intake system from engine bay heat for improved thermal efficiency.\u003c\/p\u003e\n\u003ch3\u003eIncreased Airflow Capacity\u003c\/h3\u003e\n\u003cp\u003eOptimised intake routing allows the turbocharger to draw air more efficiently for improved performance and responsiveness.\u003c\/p\u003e\n\u003ch3\u003eHigh-Flow Performance Air Filter\u003c\/h3\u003e\n\u003cp\u003eDesigned to maximise airflow while maintaining excellent filtration and engine protection.\u003c\/p\u003e\n\u003ch3\u003eEnhanced Turbo Acoustics\u003c\/h3\u003e\n\u003cp\u003eProduces increased turbo spool and induction sounds without excessive cabin noise.\u003c\/p\u003e\n\u003ch3\u003eImproved Throttle Response\u003c\/h3\u003e\n\u003cp\u003eReduced intake restrictions allow the engine to respond faster and operate more efficiently.\u003c\/p\u003e\n\u003ch3\u003ePremium Construction\u003c\/h3\u003e\n\u003cp\u003eManufactured from high-quality materials for exceptional durability and long-term reliability.\u003c\/p\u003e\n\u003ch3\u003eDirect Bolt-On Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically for BMW B58 Gen 2 (B58TU) G-Series vehicles using factory mounting points.\u003c\/p\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cp\u003e• Increased airflow to the turbocharger\u003cbr\u003e• Improved throttle response\u003cbr\u003e• Enhanced turbo spool characteristics\u003cbr\u003e• Increased induction and turbo acoustics\u003cbr\u003e• Reduced intake restrictions\u003cbr\u003e• Improved engine efficiency\u003cbr\u003e• Ideal supporting modification for tuned and upgraded turbo applications\u003c\/p\u003e\n\u003cp\u003ePerformance gains may vary depending on ECU calibration, fuel quality, and supporting modifications.\u003c\/p\u003e\n\u003ch2\u003eSound Characteristics\u003c\/h2\u003e\n\u003cp\u003eCompared to the factory intake system, this Closed Air Intake typically delivers:\u003c\/p\u003e\n\u003cp\u003e• Increased turbo spool noise\u003cbr\u003e• Enhanced induction sound under acceleration\u003cbr\u003e• More pronounced diverter valve acoustics\u003cbr\u003e• Improved overall engine character\u003cbr\u003e• Refined sound characteristics suitable for daily driving\u003c\/p\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eBMW G20\/G21 M340i xDrive (2019+)\u003cbr\u003eBMW G22\/G23\/G26 M440i xDrive (2021+)\u003cbr\u003eBMW G42 M240i xDrive (2022+)\u003cbr\u003eBMW G29 Z4 M40i (2019+)\u003c\/p\u003e\n\u003cp\u003e3.0L Turbocharged B58 Gen 2 (B58TU) Engine\u003c\/p\u003e\n\u003ch2\u003ePlease Note\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is recommended.\u003c\/p\u003e\n\u003cp\u003ePerformance gains may vary depending on vehicle condition, ECU calibration, fuel quality, and supporting modifications.\u003c\/p\u003e\n\u003cp\u003eFor optimal results, pairing with upgraded turbo inlet pipes, downpipes, and ECU tuning is recommended.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose Proven Performance Parts\u003c\/h2\u003e\n\u003cp\u003eWe specialise in high-performance parts for European vehicles — including Volkswagen GTI \u0026amp; R models, Audi S\/RS platforms, and BMW M vehicles. Every product we offer is carefully selected for its quality, fitment, and real-world performance — tested by enthusiasts, for enthusiasts.\u003c\/p\u003e","brand":"Proven Performance Parts","offers":[{"title":"Default Title","offer_id":52380950429978,"sku":null,"price":535.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/107_839c949f-3d09-4de1-82de-8e4b61cb3be7.png?v=1782093304","url":"https:\/\/provenperformanceparts.com.au\/products\/bmw-b58-gen-2-g-series-m340i-m440i-m240i-closed-air-intake","provider":"Proven Performance Parts","version":"1.0","type":"link"}