{"product_id":"ignition-coil-and-iridium-spark-plugs-for-bmw-m5-2018-2020-4-4l","title":"Ignition Coil and Iridium Spark Plugs for BMW M5 (2018-2020) 4.4L","description":"\u003ch2\u003eDirect-Fit High-Performance Ignition Service Kit for 2018-2020 BMW M5\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-replacement ignition overhaul kit:\u003c\/strong\u003e Restores factory spark energy and cylinder combustion efficiency across all eight cylinders on twin-turbocharged 4.4L V8 powerplants.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock M5 Ignition Coil Thermal Breakdown\u003c\/h3\u003e\n\u003cp\u003eDue to the hot-vee architecture of the S63 engine, the turbochargers sit directly inside the cylinder banks, concentrating extreme thermal radiation over the valve covers. This persistent thermal cycling degrades the OEM epoxy resin potting and secondary copper windings within the factory coil boots. Over time, internal insulation breaks down, causing high-voltage dielectric leakage, spark blowout at elevated boost levels, rough idle, and DME-triggered cylinder misfire fault codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete ignition kit matches eight heavy-duty coil-on-plug units with eight fine-wire iridium spark plugs. The ignition coils feature high-conductivity internal copper windings encased in reinforced, heat-resistant potting compound to resist thermal saturation and voltage degradation. Matched iridium center electrodes maintain a sharp spark profile with lower required firing voltages, delivering rapid flame kernel propagation, stable combustion under high cylinder pressures, and zero diagnostic trouble codes.\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;\"\u003e2018-2020 BMW M5\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 (S63B44T4) \/ F90\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;\"\u003e600 hp \/ 553 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;\"\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\u003e2018 BMW M5 Base Sedan 4.4L V8 S63\u003c\/li\u003e\n  \u003cli\u003e2019 BMW M5 Base \u0026amp; Competition Sedan 4.4L V8 S63\u003c\/li\u003e\n  \u003cli\u003e2020 BMW M5 Base \u0026amp; Competition Sedan 4.4L V8 S63\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe BMW Precision Benchmark\u003c\/h3\u003e\n\u003cp\u003eEngineered to satisfy precise European DME diagnostic tolerances, this kit ensures seamless communication with the factory engine management system, preventing phantom misfire counters and delivering instantaneous throttle response without check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50453685469432,"sku":"DS-E7E03J0WF","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-m5-2018-2020-4-4l-1.jpg?v=1788725968","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-bmw-m5-2018-2020-4-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}