{"product_id":"maf-air-intake-tube-pair-for-bmw-650i-2013-2017-4-4l","title":"MAF Air Intake Tube Pair for BMW 650i (2013-2017) 4.4L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eBillet Aluminum MAF Air Intake Tube Pair for 2013-2017 BMW 6 Series (F06\/F12\/F13)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The MAF Air Intake Tube Pair replaces restrictive factory intake housings on the 2013-2017 BMW 650i to deliver smooth, laminar airflow across both mass air flow sensors for stabilized fuel trims and reduced turbo inlet restriction.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock BMW 6 Series Intake Restriction\u003c\/h3\u003e\n\u003cp\u003eFactory intake plumbing on the twin-turbocharged \u003cstrong\u003eN63\u003c\/strong\u003e\/\u003cstrong\u003eN63TU\u003c\/strong\u003e engine relies on molded plastic housings and corrugated ducting positioned directly above intense cylinder-head heat. Over time, repeated thermal cycles embrittle the OEM composite material, risking vacuum leaks and hairline cracks around the sensor boss. Furthermore, internal plastic seams and sudden diameter transitions disrupt the air velocity profile directly ahead of the metering element. This turbulence introduces signal noise into the engine management system, leading to erratic air-fuel ratio corrections and restricted volumetric efficiency at high engine speeds.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered from lightweight aluminum with a uniform 3-inch (76mm) outer diameter, this matched pair provides a continuous, low-friction airflow path designed for dual-bank turbo setups. Each housing features a dedicated CNC-machined MAF sensor bung \u003cstrong\u003eTIG-welded\u003c\/strong\u003e to exact OEM tolerances, seating the factory sensors at the correct immersion depth without adapters or silicone sealants. The compact 4.7-inch (120mm) footprint integrates directly into tight engine bays using standard 3-inch couplers, while a chemical-resistant gloss black anodized finish safeguards against underhood heat soak, oxidation, and oil vapor degradation.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 x 3\" (76mm) Aluminum MAF Air Intake Tubes\u003c\/li\u003e\n  \u003cli\u003e4 x MAF Sensor Mounting Screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100% style=\" border-collapse: collapse border: solid font-size: min-width:\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2013-2017 BMW 6 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN63TU 4.4L Twin-Turbo V8 \/ F06, F12, F13\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e445 hp \/ 480 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2013-2017 BMW 650i Gran Coupe (F06) 4.4L N63 V8\u003c\/li\u003e\n  \u003cli\u003e2013-2017 BMW 650i Convertible (F12) 4.4L N63 V8\u003c\/li\u003e\n  \u003cli\u003e2013-2017 BMW 650i Coupe (F13) 4.4L N63 V8\u003c\/li\u003e\n  \u003cli\u003e2013-2017 BMW 650i xDrive (F06, F12, F13) 4.4L N63 V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the F06\/F12\/F13 6 Series?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2013-2017 BMW 6 Series equipped with the \u003cstrong\u003eN63\u003c\/strong\u003e 4.4L twin-turbo V8 engine.\u003c\/p\u003e\n\n\u003ch4\u003eAre new mass air flow sensors included with these tubes?\u003c\/h4\u003e\n\u003cp\u003eNo, these housings are designed to reuse your original factory BMW MAF sensors, which transfer directly using the included mounting hardware.\u003c\/p\u003e\n\n\u003ch3\u003eThe BMW Calibration Standard\u003c\/h3\u003e\n\u003cp\u003ePrecision German twin-turbo platforms demand uncompromised intake metering; these billet-welded housings preserve OEM sensor indexing to ensure factory-calibrated fuel trims and fault-free operation under heavy boost.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67901474078968,"sku":"DS-EL0112RME","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/bmw-maf-tube-pair-main_ae0db8a6-e753-436a-ba6c-3243bba9b828.jpg?v=1793337519","url":"https:\/\/performancechiptuning.com\/es\/products\/maf-air-intake-tube-pair-for-bmw-650i-2013-2017-4-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}