{"product_id":"ignition-coil-and-iridium-spark-plugs-for-bmw-6-series-2013-2017-4-4l","title":"Ignition Coil and Iridium Spark Plugs for BMW 6 Series (2013-2017) 4.4L","description":"\u003ch2\u003eDirect-Replacement Ignition Coil and Iridium Spark Plug Kit for 2013-2017 BMW 6 Series\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eComplete Direct-Fit Ignition Service:\u003c\/strong\u003e Restores high-voltage spark stability and eliminates under-boost misfires across all eight cylinders in turbocharged 4.4L applications.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock 6 Series Hot-Vee Thermal Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe BMW 4.4L twin-turbocharged V8 utilizes a \"hot-vee\" layout, placing the turbochargers and exhaust manifolds directly within the engine valley. This architecture subjects factory coil packs and spark plugs to severe thermal cycling and intense underhood radiant heat. Over extended run times, OEM coil epoxy insulation degrades, resulting in internal dielectric breakdown, carbon tracking, and intermittent high-RPM spark blowout that triggers drivetrain malfunction codes and rough idling.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis 16-piece complete ignition overhaul kit features heavy-duty coil-on-plug assemblies manufactured with premium-grade internal copper windings and high-temperature silicone boots capable of resisting thermal degradation. Paired with fine-wire laser-welded iridium spark plugs, the kit maximizes flame kernel expansion and optimizes combustion efficiency under heavy boost. Blade terminals and direct-fit connectors ensure factory-spec resistance matching for seamless integration with the engine control unit.\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;\"\u003e2013-2017 BMW 6 Series\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;\"\u003eN63B44TU \/ F06, F12, F13\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\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\u003e2013-2017 BMW 650i 4.4L V8 (Coupe \/ Convertible)\u003c\/li\u003e\n  \u003cli\u003e2013-2017 BMW 650i xDrive 4.4L V8 (Coupe \/ Convertible)\u003c\/li\u003e\n  \u003cli\u003e2013-2017 BMW 650i Gran Coupe 4.4L V8\u003c\/li\u003e\n  \u003cli\u003e2013-2017 BMW 650i xDrive Gran Coupe 4.4L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet precise European DME tolerances, this ignition system ensures factory impedance and instantaneous arc discharge to prevent check-engine lights while maintaining peak high-speed grand touring performance.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451953352952,"sku":"DS-EVR0VLW54","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-6-series-2013-2017-4-4l-1.jpg?v=1788714447","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-bmw-6-series-2013-2017-4-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}