{"product_id":"ignition-coil-and-iridium-spark-plugs-for-bmw-x5-2003-2006-3-0l","title":"Ignition Coil and Iridium Spark Plugs for BMW X5 (2003-2006) 3.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2003-2006 BMW X5\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eRestores primary ignition integrity and combustion efficiency across all six cylinders on M54-powered E53 platforms experiencing intermittent misfires or degraded spark energy.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock X5 Thermal Degradation Weakness\u003c\/h3\u003e\n\u003cp\u003eThe factory ignition coils on the E53 X5 sit deep within the cylinder head spark plug wells, subjecting coil casings and potting insulation to severe continuous thermal cycling. Over time, heat soak compromises the internal winding insulation, leading to secondary dielectric breakdown, high-voltage leakage, and unmetered misfires under high-load conditions. Simultaneously, standard factory spark plugs experience electrode erosion that widens plug gaps, increasing resistance and overworking the ignition system.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis ignition kit pairs six heavy-duty coil-on-plug assemblies with high-efficiency fine-wire iridium spark plugs. Each coil utilizes high-conductivity internal copper windings encapsulated in high-grade dielectric epoxy, isolating against thermal breakdown and electrical arcing. The factory-profile blade terminals ensure low electrical resistance directly from the engine harness. Matched with iridium plugs, the kit delivers immediate flame kernel growth, lower required firing voltages, and stable combustion across the entire RPM band.\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;\"\u003e2003-2006 BMW X5 3.0i\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;\"\u003eM54B30 3.0L I6 \/ E53\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\u003e2003 BMW X5 3.0i (3.0L L6 Gas)\u003c\/li\u003e\n  \u003cli\u003e2004 BMW X5 3.0i (3.0L L6 Gas)\u003c\/li\u003e\n  \u003cli\u003e2005 BMW X5 3.0i (3.0L L6 Gas)\u003c\/li\u003e\n  \u003cli\u003e2006 BMW X5 3.0i (3.0L L6 Gas)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\n\u003cp\u003eCalibrated specifically to OEM Bosch\/Siemens DME dwell time specifications, this ignition system ensures factory-correct resistance matching, smooth idle stabilization, and clean combustion without triggering shadow codes or check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451969999096,"sku":"DS-EWDR7FBTM","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-x5-2003-2006-3-0l-1.jpg?v=1788715169","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-bmw-x5-2003-2006-3-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}