{"product_id":"ignition-coil-iridium-spark-plugs-for-bmw-z4-2012-2016-2-0l","title":"Ignition Coil \u0026 Iridium Spark Plugs for BMW Z4 (2012-2016) 2.0L","description":"\u003ch2\u003eHigh-Output Ignition Coil \u0026amp; Iridium Spark Plugs for 2012-2016 BMW Z4 (N20 \/ E89)\u003c\/h2\u003e\n  \n  \u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This direct replacement ignition coil and iridium spark plug kit restores optimal combustion efficiency, resolving misfires and preventing unburnt fuel scenarios in high-compression turbo applications.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Stock E89 N20 Ignition Weakness\u003c\/h3\u003e\n  \u003cp\u003eThe factory ignition coils on the BMW N20 engine are highly susceptible to premature thermal degradation and voltage leakage. Positioned directly over the turbocharged cylinder head, the OEM coil packs endure severe, prolonged heat cycling. Over time, the internal epoxy resin develops micro-cracks, causing intermittent resistance fluctuations and weak spark energy. This degradation leads to rough idling, hesitation under heavy boost, and dreaded cylinder misfire codes. Additionally, standard factory plugs degrade rapidly under the N20's high cylinder pressures, resulting in spark blowout during peak boost phases and reduced volumetric efficiency.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n  \u003cp\u003eThis comprehensive ignition overhaul mitigates heat soak and voltage drop through an upgraded coil winding architecture and superior silicone compound boots that actively resist thermal breakdown. The direct-fit blade connectors and female terminals ensure a rigid, corrosion-resistant mating surface to the factory harness, minimizing electrical impedance. Paired with laser-welded iridium spark plugs, the system provides an ultra-fine center electrode that requires significantly less voltage to bridge the spark gap. This ensures a more concentrated, consistent spark kernel, yielding a complete fuel burn. The mechanical result is stabilized idle, restored horsepower, and eliminated hesitation under wide-open throttle without risking coil saturation.\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;\"\u003e2012-2016 BMW Z4\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;\"\u003eN20 \/ E89\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;\"\u003e240 hp \/ 260 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 \/ 12137594937\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2012 BMW Z4 sDrive28i 2.0L Turbocharged\u003c\/li\u003e\n    \u003cli\u003e2013 BMW Z4 sDrive28i 2.0L Turbocharged\u003c\/li\u003e\n    \u003cli\u003e2014 BMW Z4 sDrive28i 2.0L Turbocharged\u003c\/li\u003e\n    \u003cli\u003e2015 BMW Z4 sDrive28i 2.0L Turbocharged\u003c\/li\u003e\n    \u003cli\u003e2016 BMW Z4 sDrive28i 2.0L Turbocharged\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eThe BMW Calibration Standard\u003c\/h3\u003e\n  \u003cp\u003eEngineered to meet strict European tolerances, this ignition suite ensures precise ECU timing synchronization and guarantees a misfire-free, CEL-free driving experience under prolonged high-load conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":48238704230648,"sku":"DS-E0EAY05WE","price":169.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-iridium-spark-plugs-for-bmw-z4-2012-2016-2-0l-1.jpg?v=1776185368","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-iridium-spark-plugs-for-bmw-z4-2012-2016-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}