{"product_id":"ignition-coil-and-iridium-spark-plugs-for-bmw-x7-2019-2020-4-4l","title":"Ignition Coil and Iridium Spark Plugs for BMW X7 (2019-2020) 4.4L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2019-2020 BMW X7 4.4L\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Restores factory ignition energy and cylinder combustion efficiency across all eight cylinders by replacing worn coil-on-plug boots, degraded primary\/secondary windings, and eroded spark plug electrodes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock X7 N63 Thermal Degradation Problem\u003c\/h3\u003e\n\u003cp\u003eThe twin-turbocharged \"Hot-V\" architecture of the 4.4L N63 places the turbochargers directly in the engine valley, creating severe ambient heat soak around the cylinder heads. Over heat cycles, factory ignition coil housings suffer dielectric insulation breakdown, causing micro-arcing, intermittent secondary misfires, and rough idle under high boost pressures. Simultaneously, standard plug gap erosion increases secondary voltage demand, accelerating coil driver strain and triggering DME misfire fault codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition service kit features eight heavy-duty coil-on-plug units wound with high-conductivity internal copper wiring and direct-fit blade terminals for maximum energy transfer. Encased in high-dielectric thermoplastic boots, these coils resist breakdown from extreme underhood temperatures. Matched with eight fine-wire iridium spark plugs, the kit ensures minimal voltage requirement, stable spark kernel propagation, and reliable combustion under peak boost.\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;\"\u003e2019-2020 BMW X7 (4.4L V8)\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;\"\u003eN63B44 Twin-Turbo V8 \/ G07\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;\"\u003e456–523 hp \/ 479–553 lb-ft\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;\"\u003eUF667, UF-667, 12137571643\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2019 BMW X7 xDrive50i 4.4L V8 (G07 \/ N63)\u003c\/li\u003e\n  \u003cli\u003e2020 BMW X7 xDrive50i 4.4L V8 (G07 \/ N63)\u003c\/li\u003e\n  \u003cli\u003e2020 BMW X7 M50i 4.4L V8 (G07 \/ N63)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet stringent European DME diagnostic parameters, this ignition kit prevents check engine lights, maintains smooth cold-start idle, and delivers precise combustion timing under wide-open throttle load.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50454065578232,"sku":"DS-EUX70EF7W","price":177.95,"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-x7-2019-2020-4-4l-1.jpg?v=1788726477","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-bmw-x7-2019-2020-4-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}