{"product_id":"ignition-coil-and-iridium-spark-plugs-for-bmw-x3-2004-2006-3-0l","title":"Ignition Coil and Iridium Spark Plugs for BMW X3 (2004-2006) 3.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2004-2006 BMW X3\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eComplete Ignition Service Solution:\u003c\/strong\u003e Replaces degraded factory coils and worn plugs to restore secondary ignition voltage, resolve multi-cylinder misfires, and stabilize combustion across the entire RPM band.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock X3 Thermal Degradation and Secondary Breakdown\u003c\/h3\u003e\n\u003cp\u003eUnder-hood thermal cycles within the E83 engine bay cause severe dielectric breakdown in factory ignition coil boots and internal epoxy insulation over time. Micro-fractures in the coil body allow voltage to arc to the cylinder head rather than reaching the plug, triggering erratic idling, high-RPM stutter, and persistent misfire codes (P0300-P0306). Compounding this, aging spark plug electrodes suffer from gap erosion, demanding excessive primary voltage that strains the factory DME ignition drivers.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis 6-cylinder tune-up kit combines precision-wound coil-on-plug assemblies with durable high-grade copper windings and heat-resistant silicone boots to isolate spark delivery under extreme thermal soak. Paired with fine-wire iridium-tipped spark plugs, this setup reduces ignition voltage demand, provides superior flame kernel growth, and maintains precise spark gaps over extended service intervals. OEM-spec blade terminals and connector clips ensure direct drop-in installation with no wiring modifications required.\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;\"\u003e2004-2006 BMW X3\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;\"\u003e3.0L M54 (M54B30) \/ E83\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;\"\u003e225 hp \/ 214 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;\"\u003eUF515, UF-515, UF522, UF-522\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2004 BMW X3 3.0i (3.0L L6 - M54B30, Chassis: E83)\u003c\/li\u003e\n  \u003cli\u003e2005 BMW X3 3.0i (3.0L L6 - M54B30, Chassis: E83)\u003c\/li\u003e\n  \u003cli\u003e2006 BMW X3 3.0i (3.0L L6 - M54B30, Chassis: E83)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to match factory electrical resistance profiles, this ignition set operates seamlessly with BMW Siemens engine management systems to eliminate check engine lights and deliver smooth, responsive European driving dynamics.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451969933560,"sku":"DS-EH3XQ0SPP","price":101.95,"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-x3-2004-2006-3-0l-1.jpg?v=1788715137","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-bmw-x3-2004-2006-3-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}