{"product_id":"ignition-coil-spark-plugs-for-bmw-750i-750li-2009-2012-4-4l-v8","title":"Ignition Coil \u0026 Spark Plugs for BMW 750i 750Li (2009-2012) 4.4L V8","description":"\u003ch2\u003eReliable Ignition Coil \u0026amp; Spark Plugs for 2009-2012 BMW 7 Series\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eRestores critical combustion efficiency and eliminates under-load misfires for the N63 twin-turbo V8.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock 7 Series Thermal Degradation Problem\u003c\/h3\u003e\n\u003cp\u003eThe 2009-2012 BMW 750i and 750Li utilize the N63 4.4L V8, renowned for its innovative \"hot-vee\" twin-turbo layout. However, this engineering design traps immense heat directly under the engine cover, creating an exceptionally harsh environment for ignition components. Factory ignition coils suffer from severe thermal cycling, causing the internal epoxy to fracture and the silicone boots to degrade prematurely. As internal resistance increases over time, the system struggles to deliver adequate voltage to the spark plugs. This failure cascade results in noticeable drivetrain hesitation, rough idling, blinking check engine lights, and severe cylinder misfires under heavy acceleration or load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition overhaul kit directly addresses the N63's thermal vulnerabilities. The replacement ignition coils are constructed using high-dielectric epoxy housing and advanced thermal-resistant silicone boots, significantly improving heat dissipation and preventing the micro-cracking that leads to primary voltage leaks. Paired with 8x platinum spark plugs, this package ensures consistent arc propagation and superior resistance to gap erosion over thousands of rigorous heat cycles. By delivering a stronger, more consistent spark across all eight cylinders, this kit restores factory power delivery, smooths out rough idle conditions, and prevents unburned fuel from washing the cylinders or damaging the catalytic converters. The precise OEM-grade fitment ensures proper seating against the cylinder head, preventing moisture intrusion and ensuring optimal resistance values.\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;\"\u003e2009-2012 BMW 7 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;\"\u003eN63 4.4L V8 \/ F01, F02\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;\"\u003e400 hp \/ 450 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;\"\u003e12137523345 \/ UF667 \/ 2IGC0102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2009-2012 BMW 750i 4.4L V8\u003c\/li\u003e\n  \u003cli\u003e2009-2012 BMW 750Li 4.4L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe BMW Diagnostic Standard\u003c\/h3\u003e\n\u003cp\u003eFor modern European drivetrains, maintaining exact electrical tolerances is non-negotiable to prevent DME fault codes. This ignition package ensures proper voltage feedback to the engine control unit, guaranteeing precision performance, restored fuel economy, and a reliable, CEL-free driving experience.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50050902622456,"sku":"DS-E3L0YREHU","price":229.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plugs-for-bmw-750i-750li-2009-2012-4-4l-v8-1.jpg?v=1784833922","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-spark-plugs-for-bmw-750i-750li-2009-2012-4-4l-v8","provider":"Performance Chip Tuning","version":"1.0","type":"link"}