{"title":"BMW 4 Series G2X M440d - 340 hp B57","description":"\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe BMW M440d of the 4 Series utilizes the 3.0-liter B57 engine with 340 hp and 700 Nm, combining high diesel performance with the sporty G2X platform. The variant is available as a coupe and convertible, among other body styles. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eRevDop develops performance parts for the B57 with a focus on \u003cstrong\u003eefficient airflow, reduced flow losses, and technically optimized geometries\u003c\/strong\u003e. Our development process combines 3D scanning, CAD design, and CFD simulation to create a technical foundation for further BMW diesel tuning.\u003c\/p\u003e","products":[{"product_id":"turboinlet-passend-fur-bmw-b57-motoren-m340d-m440d-alpinad3","title":"BMW B57 turbo inlet suitable for M340d, M440d \u0026 ALPINA D3 S","description":"\u003ch1\u003eCFD-optimized turbo inlet for BMW B57R engines.\u003c\/h1\u003e\n\u003ch2\u003eDesigned for more efficient airflow, reduced pressure loss, and the most uniform flow possible into the turbocharger.\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003eReduced pressure loss \u003cstrong\u003e(40%)\u003c\/strong\u003e compared to the OEM geometry\u003c\/li\u003e\n\n\u003cli\u003eOptimized fluid volume \u003cstrong\u003e(20%)\u003c\/strong\u003e for more efficient airflow\u003c\/li\u003e\n\n\u003cli\u003eCFD-optimized flow path\u003c\/li\u003e\n\n\u003cli\u003eMore uniform flow into the turbocharger\u003c\/li\u003e\n\n\u003cli\u003eVehicle-specific design for OE 13718596434\u003c\/li\u003e\n\n\u003cli\u003eHigh-strength PA12 plastic\u003c\/li\u003e\n\n\u003cli\u003eDeveloped using 3D scanning, CAD, and CFD\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eYour advantage\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\n\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe turbo inlet forms the transition between the intake tract and the turbocharger. It is precisely at this point that the geometry determines how efficiently the intake air is guided to the compressor.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe RevDop turbo inlet was therefore not simply enlarged, but \u003cstrong\u003especifically designed for more efficient flow guidance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eLess flow loss. More efficient airflow.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\n\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe OEM geometry of the B57R was analyzed and then compared with a newly developed RevDop design.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIn doing so, we look not only at the cross-section, but at the entire flow path:\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePressure loss · Fluid volume · Flow velocity · Flow homogeneity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe goal is to guide the air to the turbocharger with as little loss and as uniformly as possible.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eThis is exactly where the RevDop turbo inlet comes in.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eCFD instead of gut feeling\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eAt RevDop, performance components are not created based on the principle that \"bigger must be better.\"\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eDevelopment follows a clear engineering process:\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003e3D Scan\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe original geometry and installation situation are precisely recorded.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eCAD Design\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe optimized RevDop design is created based on the OEM geometry.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eCFD Simulation\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eOEM and RevDop are directly compared. We examine, among other things, pressure loss, fluid volume, and flow distribution.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003ePrototype\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe optimized geometry is manufactured as a functional prototype and tuned to the real vehicle application.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eTest\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eOnly the combination of simulation and practical testing turns a CAD geometry into a finished RevDop product.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWe don't develop based on gut feeling. We develop based on data.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eSpecially developed for the B57R version\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eEven if several BMW models use the same B57R engine, this does not automatically mean that every version of the air ducting is identical.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis is precisely why this turbo inlet is based on \u003cstrong\u003eOEM part number 13718596434\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis is particularly important for the upper connection areas of the inlet. The current design was therefore \u003cstrong\u003enewly laid out specifically for the vehicle\u003c\/strong\u003e, rather than simply transferring another B57 inlet geometry.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe OEM part number 13718596434 is used for the M340d, M440d\/440d, and ALPINA D3 S, among others. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eCompatible with\u003c\/h3\u003e\n\u003ch4 dir=\"auto\"\u003eBMW\u003c\/h4\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e3 Series G20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eM340d xDrive\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e3 Series G21\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eM340d xDrive Touring\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e4 Series G22\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eM440d xDrive Coupé\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e4 Series G23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eM440d xDrive Convertible\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e4 Series G26\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e440d xDrive Gran Coupé\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eBMW ALPINA\u003c\/h4\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eG20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eD3 S\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eG21\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eD3 S Touring\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe OE part number 13718596434 is documented for these applications as a \"Filtered Air Pipe\". \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e We recommend checking the installed OEM part number before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eOE Reference\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eBMW OEM: 13718596434\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe number is listed in the BMW parts catalog as \"Filtered air pipe\". \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eHigh-quality PA12 manufacturing\u003c\/h3\u003e\n\u003cp\u003eThe turbo inlet is manufactured using an industrial 3D printing process from \u003cstrong\u003ehigh-quality PA12 polyamide\u003c\/strong\u003e. The material enables a high-density, flow-optimized internal geometry while simultaneously offering high dimensional stability for use in the engine compartment. The temperature resistance is 180 degrees, and the polyamide is highly resistant to gasoline, oil, and chemicals.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 dir=\"auto\"\u003eRevDop Engineering\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eWe develop performance components for modern BMW and VAG engines with a clear focus on \u003cstrong\u003eflow optimization and technical efficiency\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eOur products are created not from the idea of looking as spectacular as possible, but from the analysis of the actual geometry and flow conditions.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eScan. Design. Simulation. Test.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eEngineering instead of hype.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eScope of delivery\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\u003cspan\u003e1x BMW B57 High-Flow Turbo Inlet\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eDelivery time\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOur products are generally ready for shipment within 2–3 working days, provided they are in stock.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf an item is not available due to high demand or supply bottlenecks, it will be manufactured using our high-quality PA12 3D printing process. In this case, the delivery time is up to 3 weeks.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"isSelectedEnd\"\u003eImportant assembly note\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen installing, it is recommended to work with a lifting platform, as the retaining clip on the turbo inlet must be released from below on some models. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLegal notice\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis product does not have an ABE, a parts certificate, or a type approval.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt is not approved for use in public road traffic within the scope of the StVZO (German Road Traffic Licensing Regulations). Use is exclusively for motorsport purposes, export vehicles, or outside of public roads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstallation of this product may lead to the expiration of the operating permit according to §19 StVZO.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA possible individual acceptance according to §21 StVZO must be clarified in advance under your own responsibility with a testing organization.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is not an original part from \u003cstrong\u003eBMW AG\u003c\/strong\u003e, \u003cstrong\u003eBMW M GmbH\u003c\/strong\u003e, or \u003cstrong\u003eBovensieben Automobile GmbH + Co KG\u003c\/strong\u003e. The mentioned brand and model names are used exclusively for clear product assignment.\u003c\/span\u003e\u003c\/p\u003e","brand":"RevDop GmbH","offers":[{"title":"Default Title","offer_id":59432621736261,"sku":null,"price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/8234\/2981\/files\/bmw-b57r-turboinlet-m340d-m440d-alpina-d3-s-revdop.jpg?v=1789981080"}],"url":"https:\/\/www.revdop.com\/en\/collections\/bmw-4er-g2x-m440d-340-ps-b57.oembed","provider":"RevDop","version":"1.0","type":"link"}