{"product_id":"ignition-coil-and-iridium-spark-plugs-for-bmw-x5-2014-2016-4-4l","title":"Ignition Coil and Iridium Spark Plugs for BMW X5 (2014-2016) 4.4L","description":"\u003ch2\u003eDirect-Replacement Ignition Coil and Iridium Spark Plug Kit for 2014-2016 BMW X5\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eComplete 8-Cylinder Ignition Overhaul:\u003c\/strong\u003e Restores factory combustion efficiency, eliminates high-boost misfires, and stabilizes rough idle across all eight cylinders on twin-turbocharged 4.4L V8 engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock X5 Hot-V Thermal Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe reverse-flow \"hot-vee\" layout of the 4.4L N63TU engine routes turbochargers directly into the engine valley, creating extreme ambient heat soak. Over time, this sustained thermal cycling degrades the factory ignition coil boots and breaks down internal epoxy insulation, resulting in high-voltage micro-arcing. Simultaneously, elevated combustion pressures cause standard spark plug electrodes to erode rapidly, resulting in widened gaps, erratic cold starts, reduced fuel economy, and persistent drivetrain malfunction warnings under load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive kit provides eight heavy-duty coil-on-plug assemblies engineered with high-conductivity internal copper windings and durable dielectric silicone boots to resist thermal fatigue. Paired with eight precision-gapped iridium spark plugs, the assembly delivers consistent spark energy and exceptional resistance to electrode wear under boost. Direct-fit electrical connectors and OEM blade terminals ensure plug-and-play installation without harness modifications.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2014-2016 BMW X5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4.4L Twin-Turbo V8 (N63TU) \/ F15\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e445 hp \/ 480 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number \/ Interchange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF592, UF-592, 12138647689\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2014 BMW X5 xDrive50i (4.4L V8 Turbo - F15)\u003c\/li\u003e\n  \u003cli\u003e2015 BMW X5 xDrive50i (4.4L V8 Turbo - F15)\u003c\/li\u003e\n  \u003cli\u003e2016 BMW X5 xDrive50i (4.4L V8 Turbo - F15)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet exact European powertrain tolerances, this direct-replacement ignition system eliminates rough running conditions and prevents diagnostic trouble codes without requiring ECU adaptations or aftermarket tuning.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451950862584,"sku":"DS-EJ47W9I2Q","price":165.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-and-iridium-spark-plugs-for-bmw-x5-2014-2016-4-4l-1.jpg?v=1788714353","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-bmw-x5-2014-2016-4-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}