{"product_id":"dinan-closed-carbon-fiber-cold-air-intake-bmw-f2x-f3x-230i-330i-430i","title":"Dinan Closed Carbon Fiber Cold Air Intake - BMW F22 \/ F23 230i (2017-2021) \/ F30 \/ F31 \/ F34 330i (2017-2019) \/ F32 \/ F33 \/ F36 430i (2017-2020)","description":"\u003cp\u003eBMW built the factory intake tube on the B46\/B48 four-cylinder with baffles and a small Helmholtz chamber to keep it quiet. Those same features make the airflow turbulent and cost you power. Dinan took them out.\u003c\/p\u003e\u003cp\u003eThe Dinan Closed Carbon Fiber Cold Air Intake for the BMW 230i, 330i and 430i gives the engine a fully sealed airbox with 30% more volume than stock, a larger filter and a smooth carbon fiber intake tube. Dinan measured +6 hp and +6 lb-ft at 5000 rpm on a completely stock car, with no tune required.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a Closed Dinan 230i \/ 330i \/ 430i Intake\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA sealed airbox keeps engine bay heat away from the filter and feeds the engine cold outside air, which is what a cold air intake is supposed to do on a turbocharged engine. The tradeoff is sound: the closed system adds only a small amount of intake noise. If you want a louder induction note, Dinan's \u003ca href=\"\/products\/dinan-semi-open-cold-air-intake-bmw-f2x-f3x-230i-330i-430i\"\u003esemi-open intake\u003c\/a\u003e adds an open port for more sound, and Dinan also offers a vented lid retrofit for owners of the closed system.\u003c\/p\u003e\u003cp\u003eDinan built this intake in carbon fiber instead of the mixed materials used on earlier four-cylinder intakes, with an improved coating so it keeps looking good in the engine bay for years.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAirbox lid\u003c\/li\u003e\n\u003cli\u003eAir filter\u003c\/li\u003e\n\u003cli\u003eCarbon fiber intake tube\u003c\/li\u003e\n\u003cli\u003eHeat shield\u003c\/li\u003e\n\u003cli\u003eClamps\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e+6 hp and +6 lb-ft at 5000 rpm on a stock car (Dinan rating)\u003c\/li\u003e\n\u003cli\u003eSealed airbox with 30% more volume than stock\u003c\/li\u003e\n\u003cli\u003e34% more filter area than stock\u003c\/li\u003e\n\u003cli\u003eInjection molded air mass meter housing over 20% larger than stock\u003c\/li\u003e\n\u003cli\u003eCarbon fiber intake tube with the factory baffles and Helmholtz chamber removed\u003c\/li\u003e\n\u003cli\u003eImproved throttle response and a slightly sportier sound\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Dinan\u003c\/li\u003e\n\u003cli\u003ePart Number: D760-0048\u003c\/li\u003e\n\u003cli\u003eProduct Type: Closed (sealed) cold air intake\u003c\/li\u003e\n\u003cli\u003eMaterial: Carbon fiber\u003c\/li\u003e\n\u003cli\u003eEngine: B46 \/ B48 2.0L four-cylinder\u003c\/li\u003e\n\u003cli\u003ePower Gain: +6 hp, +6 lb-ft at 5000 rpm (+5 whp, +5 wtq), no other modifications\u003c\/li\u003e\n\u003cli\u003eFilter Area: 102.1 sq in (stock 76.3 sq in)\u003c\/li\u003e\n\u003cli\u003eAirbox Volume: 30% larger than stock\u003c\/li\u003e\n\u003cli\u003eReplacement Filter: Dinan D401-0025\u003c\/li\u003e\n\u003cli\u003eLabor Time: 1 hour (Dinan estimate)\u003c\/li\u003e\n\u003cli\u003eEmissions: CARB EO D-176-56 for 2019-2021 models only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirmed fitment for the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW F22 \/ F23 230i, 230i xDrive (2017-2021)\u003c\/li\u003e\n\u003cli\u003eBMW F30 \/ F31 330i (2017-2018), 330i xDrive (2017-2019)\u003c\/li\u003e\n\u003cli\u003eBMW F34 330i xDrive Gran Turismo (2017-2019)\u003c\/li\u003e\n\u003cli\u003eBMW F32 \/ F33 430i, 430i xDrive (2017-2020)\u003c\/li\u003e\n\u003cli\u003eBMW F36 430i Gran Coupe, 430i xDrive Gran Coupe (2017-2020)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot for six-cylinder 340i or 440i models, or for the G20 330i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEmissions and Legality\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDinan lists CARB EO D-176-56 for 2019-2021 F2x \/ F3x 230i, 330i and 430i models, which makes those cars 50-state legal. 2017-2018 models are not covered by the EO, so the intake is not legal for use in California on those years. If your car is registered in California, check your model year before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDinan estimates about 1 hour of labor. Follow Dinan's installation instructions, and keep the EO paperwork with the car if it is a 2019-2021 model registered in California.\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eWork on a cold engine.\u003c\/li\u003e\n\u003cli\u003eRemove the factory airbox lid, filter and intake tube as described in Dinan's instructions.\u003c\/li\u003e\n\u003cli\u003eInstall the Dinan airbox lid, filter and carbon fiber intake tube, then reconnect every sensor, hose and breather you disconnected.\u003c\/li\u003e\n\u003cli\u003eTighten all clamps, start the engine and confirm there are no warning lights before driving.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":51823263285494,"sku":"DNND760-0048","price":513.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2674\/6278\/files\/18d10defac27a46b1cc09979b2146a2bL.jpg?v=1791649723","url":"https:\/\/autotecknic.com\/products\/dinan-closed-carbon-fiber-cold-air-intake-bmw-f2x-f3x-230i-330i-430i","provider":"AutoTecknic USA","version":"1.0","type":"link"}