{"title":"Spark Plugs","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePerformance spark plugs for BMW models. Ensure reliable ignition, smoother power delivery and consistent performance on tuned and high-boost engines.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShop Related Upgrades\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\n\u003ca href=\"\/collections\/ecu-tuning\"\u003eECU Tuning\u003c\/a\u003e | \n\u003ca href=\"\/collections\/air-filters\"\u003eAir Filters\u003c\/a\u003e | \n\u003ca href=\"\/collections\/intercoolers\"\u003eIntercoolers\u003c\/a\u003e | \n\u003ca href=\"\/collections\/charge-pipes\"\u003eCharge Pipes\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFAQs\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhy upgrade spark plugs on a tuned BMW?\u003c\/summary\u003e\n\u003cp\u003eHigher boost levels increase cylinder pressure. Performance spark plugs provide a stronger, more consistent spark to prevent misfires.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDo I need colder spark plugs for Stage 2?\u003c\/summary\u003e\n\u003cp\u003eYes. Colder heat range plugs are recommended for higher power setups to maintain ignition stability under load.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow often should spark plugs be replaced on a tuned engine?\u003c\/summary\u003e\n\u003cp\u003eTuned engines typically require more frequent plug changes, often between 10,000–20,000 miles depending on power level.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWill upgraded spark plugs add power?\u003c\/summary\u003e\n\u003cp\u003eThey don’t directly add power, but they ensure the engine runs correctly and allows the tune to perform safely and consistently.\u003c\/p\u003e\n\u003c\/details\u003e","products":[{"product_id":"ngk-94201-performance-spark-plugs-bmw-b58-pack-of-6","title":"NGK 94201 Performance Spark Plugs – BMW B58 (Pack of 6)","description":"\u003cp data-start=\"233\" data-end=\"573\"\u003eNGK 94201 spark plugs are the recommended performance upgrade for BMW B58 engines, providing a stronger and more consistent spark under higher boost levels. Ideal for both stock and tuned vehicles, they improve combustion stability, throttle response and overall engine smoothness. Supplied as a complete set of 6 for a full engine service.\u003c\/p\u003e\n\u003cp data-start=\"575\" data-end=\"619\"\u003eFitment: BMW B58 Models\u003cbr data-start=\"602\" data-end=\"605\"\u003eSKU: 94201\u003c\/p\u003e\n\u003ch3 data-start=\"621\" data-end=\"641\"\u003eKey Features\u003c\/h3\u003e\n\u003ch4 data-start=\"643\" data-end=\"678\"\u003eComplete Engine Service Pack\u003c\/h4\u003e\n\u003cp data-start=\"679\" data-end=\"781\"\u003e– Set of 6 spark plugs\u003cbr data-start=\"701\" data-end=\"704\"\u003e– Direct replacement for all cylinders\u003cbr data-start=\"742\" data-end=\"745\"\u003e– No need to purchase individually\u003c\/p\u003e\n\u003ch4 data-start=\"783\" data-end=\"841\"\u003eOptimised for Turbocharged Direct Injection Engines\u003c\/h4\u003e\n\u003cp data-start=\"842\" data-end=\"972\"\u003e– Designed for high cylinder pressure applications\u003cbr data-start=\"892\" data-end=\"895\"\u003e– Strong and consistent ignition performance\u003cbr data-start=\"939\" data-end=\"942\"\u003e– Reduces misfire under load\u003c\/p\u003e\n\u003ch4 data-start=\"974\" data-end=\"1015\"\u003eColder Heat Range for Tuned Setups\u003c\/h4\u003e\n\u003cp data-start=\"1016\" data-end=\"1140\"\u003e– Ideal for Stage 1 and Stage 2 vehicles\u003cbr data-start=\"1056\" data-end=\"1059\"\u003e– Supports increased boost levels\u003cbr data-start=\"1092\" data-end=\"1095\"\u003e– Maintains stable combustion at high power\u003c\/p\u003e\n\u003ch3 data-start=\"1142\" data-end=\"1158\"\u003eBenefits\u003c\/h3\u003e\n\u003cp data-start=\"1160\" data-end=\"1258\"\u003e– Smoother power delivery\u003cbr data-start=\"1185\" data-end=\"1188\"\u003e– Improved throttle response\u003cbr data-start=\"1216\" data-end=\"1219\"\u003e– Reliable ignition for tuned engines\u003c\/p\u003e\n\u003ch3 data-start=\"1260\" data-end=\"1275\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"1277\" data-end=\"1330\"\u003e– BMW M140i\u003cbr data-start=\"1288\" data-end=\"1291\"\u003e– BMW M240i\u003cbr data-start=\"1302\" data-end=\"1305\"\u003e– BMW 340i\u003cbr data-start=\"1315\" data-end=\"1318\"\u003e– BMW 440i\u003c\/p\u003e\n\u003ch3 data-start=\"1332\" data-end=\"1358\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp data-start=\"1360\" data-end=\"1534\"\u003e– Recommended change interval: 10,000–15,000 miles on tuned vehicles\u003cbr data-start=\"1428\" data-end=\"1431\"\u003e– Gap to tuner or vehicle specification if required\u003cbr data-start=\"1482\" data-end=\"1485\"\u003e– Install on a cold engine and torque correctly\u003c\/p\u003e\n\u003ch3 data-start=\"1536\" data-end=\"1553\"\u003eAbout NGK\u003c\/h3\u003e\n\u003cp data-start=\"1555\" data-end=\"1716\"\u003eNGK is the original equipment manufacturer for BMW ignition components and a global leader in high-performance spark plug technology for road and motorsport use.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53924113449289,"sku":"94201","price":99.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/2851\/1817\/files\/s-l1600-4-600x600.webp?v=1771962388"},{"product_id":"ngk-97506-performance-spark-plugs-bmw-n55-s55-pack-of-6","title":"NGK 97506 Performance Spark Plugs – BMW N55 \/ S55 (Pack of 6)","description":"\u003cp data-start=\"1929\" data-end=\"2271\"\u003eNGK 97506 spark plugs are the proven performance upgrade for BMW N55 and S55 engines, offering a colder heat range for increased boost and tuned applications. They provide reliable ignition, prevent misfires under load and maintain smooth power delivery in high-performance builds. Supplied as a full set of 6 for complete engine replacement.\u003c\/p\u003e\n\u003cp data-start=\"2273\" data-end=\"2323\"\u003eFitment: BMW N55 \u0026amp; S55 Models\u003cbr data-start=\"2306\" data-end=\"2309\"\u003eSKU: 97506\u003c\/p\u003e\n\u003ch3 data-start=\"2325\" data-end=\"2345\"\u003eKey Features\u003c\/h3\u003e\n\u003ch4 data-start=\"2347\" data-end=\"2382\"\u003eComplete Engine Service Pack\u003c\/h4\u003e\n\u003cp data-start=\"2383\" data-end=\"2483\"\u003e– Set of 6 spark plugs\u003cbr data-start=\"2405\" data-end=\"2408\"\u003e– Direct replacement for all cylinders\u003cbr data-start=\"2446\" data-end=\"2449\"\u003e– Convenient full engine upgrade\u003c\/p\u003e\n\u003ch4 data-start=\"2485\" data-end=\"2524\"\u003eColder Heat Range for High Boost\u003c\/h4\u003e\n\u003cp data-start=\"2525\" data-end=\"2650\"\u003e– Designed for tuned and high-performance engines\u003cbr data-start=\"2574\" data-end=\"2577\"\u003e– Prevents spark blowout under load\u003cbr data-start=\"2612\" data-end=\"2615\"\u003e– Maintains consistent combustion\u003c\/p\u003e\n\u003ch4 data-start=\"2652\" data-end=\"2697\"\u003eMotorsport-Proven Ignition Performance\u003c\/h4\u003e\n\u003cp data-start=\"2698\" data-end=\"2819\"\u003e– Strong spark at high cylinder pressures\u003cbr data-start=\"2739\" data-end=\"2742\"\u003e– Ideal for Stage 1 and Stage 2 setups\u003cbr data-start=\"2780\" data-end=\"2783\"\u003e– Widely recommended by BMW tuners\u003c\/p\u003e\n\u003ch3 data-start=\"2821\" data-end=\"2837\"\u003eBenefits\u003c\/h3\u003e\n\u003cp data-start=\"2839\" data-end=\"2945\"\u003e– Reduced risk of misfire\u003cbr data-start=\"2864\" data-end=\"2867\"\u003e– Smoother high-RPM performance\u003cbr data-start=\"2898\" data-end=\"2901\"\u003e– Increased reliability for tuned vehicles\u003c\/p\u003e\n\u003ch3 data-start=\"2947\" data-end=\"2962\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"2964\" data-end=\"3079\"\u003e– BMW M135i\u003cbr data-start=\"2975\" data-end=\"2978\"\u003e– BMW M235i\u003cbr data-start=\"2989\" data-end=\"2992\"\u003e– BMW 335i\u003cbr data-start=\"3002\" data-end=\"3005\"\u003e– BMW 435i\u003cbr data-start=\"3015\" data-end=\"3018\"\u003e– BMW M2 (N55)\u003cbr data-start=\"3032\" data-end=\"3035\"\u003e– BMW M2 Competition\u003cbr data-start=\"3055\" data-end=\"3058\"\u003e– BMW M3\u003cbr data-start=\"3066\" data-end=\"3069\"\u003e– BMW M4\u003c\/p\u003e\n\u003ch3 data-start=\"3081\" data-end=\"3107\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp data-start=\"3109\" data-end=\"3281\"\u003e– Recommended change interval: 10,000–15,000 miles on tuned vehicles\u003cbr data-start=\"3177\" data-end=\"3180\"\u003e– Gap to tuner specification if required\u003cbr data-start=\"3220\" data-end=\"3223\"\u003e– Install on a cold engine using correct torque settings\u003c\/p\u003e\n\u003ch3 data-start=\"3283\" data-end=\"3300\"\u003eAbout NGK\u003c\/h3\u003e\n\u003cp data-start=\"3302\" data-end=\"3463\"\u003eNGK is a world-leading ignition specialist and the OEM supplier for BMW, producing high-performance spark plugs trusted in both road and motorsport applications.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53924114006345,"sku":"97506","price":99.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/2851\/1817\/files\/s-l1600-3-1.webp?v=1771962738"},{"product_id":"genuine-bmw-b58tu-high-power-spark-plug-12122455258-m140i-m240i-m340i-340i-440i-x5-40i","title":"Genuine BMW B58TU High Power Spark Plug – 12122455258 – M140i \/ M240i \/ M340i \/ 340i \/ 440i \/ X5 40i","description":"\u003cp data-start=\"109\" data-end=\"458\"\u003eThe genuine BMW 12122455258 B58TU high-power spark plug is the factory ignition upgrade designed to deliver stable combustion under higher boost and cylinder pressures. Used as standard on higher-output B58TU engines, it’s the recommended plug for Stage 1 and Stage 2 tuned Gen-1 B58 models and a direct OEM replacement for Gen-2 B58TU applications.\u003c\/p\u003e\n\u003cp data-start=\"460\" data-end=\"525\"\u003eFitment: BMW B58 \u0026amp; B58TU Petrol Models\u003cbr data-start=\"502\" data-end=\"505\"\u003eSKU: 12122455258\u003c\/p\u003e\n\u003ch3 data-start=\"527\" data-end=\"547\"\u003eKey Features\u003c\/h3\u003e\n\u003ch4 data-start=\"549\" data-end=\"595\"\u003eGenuine BMW High-Power TU Specification\u003c\/h4\u003e\n\u003cp data-start=\"596\" data-end=\"740\"\u003e– Factory plug for higher output B58TU engines\u003cbr data-start=\"642\" data-end=\"645\"\u003e– Ideal for Stage 1 \u0026amp; Stage 2 tuned B58 setups\u003cbr data-start=\"691\" data-end=\"694\"\u003e– Proven ignition stability under high boost\u003c\/p\u003e\n\u003ch4 data-start=\"742\" data-end=\"770\"\u003ePre-Gapped OEM Design\u003c\/h4\u003e\n\u003cp data-start=\"771\" data-end=\"913\"\u003e– No gap adjustment required for standard replacement\u003cbr data-start=\"824\" data-end=\"827\"\u003e– Direct fit into factory ignition system\u003cbr data-start=\"868\" data-end=\"871\"\u003e– Smooth idle and consistent cold starts\u003c\/p\u003e\n\u003ch4 data-start=\"915\" data-end=\"960\"\u003eEngineered for Turbocharged Conditions\u003c\/h4\u003e\n\u003cp data-start=\"961\" data-end=\"1100\"\u003e– Handles increased cylinder pressure and heat\u003cbr data-start=\"1007\" data-end=\"1010\"\u003e– Reduces risk of misfires on tuned vehicles\u003cbr data-start=\"1054\" data-end=\"1057\"\u003e– Maintains optimal combustion efficiency\u003c\/p\u003e\n\u003cp data-start=\"1102\" data-end=\"1266\"\u003eThe plug is supplied with the BMW preset gap and is commonly used as an upgrade on Gen-1 B58 cars running higher power levels. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1268\" data-end=\"1284\"\u003eBenefits\u003c\/h3\u003e\n\u003cp data-start=\"1286\" data-end=\"1423\"\u003e– Stronger ignition for tuned and stock engines\u003cbr data-start=\"1333\" data-end=\"1336\"\u003e– Improved reliability at higher power levels\u003cbr data-start=\"1381\" data-end=\"1384\"\u003e– OEM fit, performance and durability\u003c\/p\u003e\n\u003ch3 data-start=\"1425\" data-end=\"1440\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"1442\" data-end=\"1549\"\u003eGen-1 B58 (recommended upgrade for tuned cars):\u003cbr data-start=\"1493\" data-end=\"1496\"\u003e– BMW M140i\u003cbr data-start=\"1507\" data-end=\"1510\"\u003e– BMW M240i\u003cbr data-start=\"1521\" data-end=\"1524\"\u003e– BMW 340i\u003cbr data-start=\"1534\" data-end=\"1537\"\u003e– BMW 440i\u003c\/p\u003e\n\u003cp data-start=\"1551\" data-end=\"1724\"\u003eGen-2 B58TU (direct OEM application):\u003cbr data-start=\"1592\" data-end=\"1595\"\u003e– BMW M340i\u003cbr data-start=\"1606\" data-end=\"1609\"\u003e– BMW 540i\u003cbr data-start=\"1619\" data-end=\"1622\"\u003e– BMW 740i\u003cbr data-start=\"1632\" data-end=\"1635\"\u003e– BMW X3 M40i \/ X4 M40i\u003cbr data-start=\"1658\" data-end=\"1661\"\u003e– BMW X5 40i \/ X7 40i\u003cbr data-start=\"1682\" data-end=\"1685\"\u003e– BMW Z4 M40i\u003cbr data-start=\"1698\" data-end=\"1701\"\u003e– Toyota GR Supra 3.0\u003c\/p\u003e\n\u003cp data-start=\"1726\" data-end=\"1761\"\u003e(Always confirm via VIN if unsure.)\u003c\/p\u003e\n\u003ch3 data-start=\"1763\" data-end=\"1789\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp data-start=\"1791\" data-end=\"1943\"\u003e– Supplied as a single plug (6 required per engine)\u003cbr data-start=\"1842\" data-end=\"1845\"\u003e– Recommended replacement interval: ~20k miles on tuned vehicles\u003cbr data-start=\"1909\" data-end=\"1912\"\u003e– Torque to BMW specification\u003c\/p\u003e\n\u003ch3 data-start=\"1945\" data-end=\"1976\"\u003eAbout BMW Genuine Parts\u003c\/h3\u003e\n\u003cp data-start=\"1978\" data-end=\"2163\"\u003eBMW Genuine ignition components are designed for precise integration with the engine management system, ensuring reliable spark delivery, efficient combustion and long-term performance.\u003c\/p\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":53955433955657,"sku":"12122455258","price":139.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/2851\/1817\/files\/s-l1600_1_ef83c106-3833-43eb-9e79-cb2b3d582822.png?v=1772392553"},{"product_id":"bosch-ignition-coil-pack-bmw-n55-s55","title":"Bosch Ignition Coil Pack – BMW N55 \u0026 S55","description":"\u003cp data-start=\"49\" data-end=\"366\"\u003eThe Bosch ignition coil is a direct OEM-quality replacement designed to deliver strong, consistent spark energy for N55 and S55 engines. Built to meet or exceed factory specifications, it restores smooth engine operation, eliminates misfires and ensures reliable ignition performance on both stock and tuned vehicles.\u003c\/p\u003e\n\u003cp data-start=\"368\" data-end=\"430\"\u003eFitment: BMW N55 \u0026amp; S55 Petrol Models\u003cbr data-start=\"408\" data-end=\"411\"\u003eSKU: 0221504800\u003c\/p\u003e\n\u003ch3 data-start=\"432\" data-end=\"452\"\u003eKey Features\u003c\/h3\u003e\n\u003ch4 data-start=\"454\" data-end=\"484\"\u003eOEM Bosch Manufacturing\u003c\/h4\u003e\n\u003cp data-start=\"485\" data-end=\"614\"\u003e– Built to OE specification for BMW\u003cbr data-start=\"520\" data-end=\"523\"\u003e– Proven reliability and long service life\u003cbr data-start=\"565\" data-end=\"568\"\u003e– Direct replacement for original coil packs\u003c\/p\u003e\n\u003ch4 data-start=\"616\" data-end=\"649\"\u003eHigh Energy Spark Delivery\u003c\/h4\u003e\n\u003cp data-start=\"650\" data-end=\"755\"\u003e– Stable ignition under boost\u003cbr data-start=\"679\" data-end=\"682\"\u003e– Improved cold start performance\u003cbr data-start=\"715\" data-end=\"718\"\u003e– Smooth idle and throttle response\u003c\/p\u003e\n\u003ch4 data-start=\"757\" data-end=\"793\"\u003eIntegrated Pencil-Coil Design\u003c\/h4\u003e\n\u003cp data-start=\"794\" data-end=\"912\"\u003e– Rubber boot with snap-top connection\u003cbr data-start=\"832\" data-end=\"835\"\u003e– Corrosion-resistant electrical terminals\u003cbr data-start=\"877\" data-end=\"880\"\u003e– Fast and simple installation\u003c\/p\u003e\n\u003cp data-start=\"914\" data-end=\"1100\"\u003eBosch coils are designed to supply the correct voltage to each cylinder, and worn units commonly cause misfires, rough running and performance loss. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1102\" data-end=\"1118\"\u003eBenefits\u003c\/h3\u003e\n\u003cp data-start=\"1120\" data-end=\"1269\"\u003e– Eliminates ignition misfires and hesitation\u003cbr data-start=\"1165\" data-end=\"1168\"\u003e– Restores engine performance and fuel efficiency\u003cbr data-start=\"1217\" data-end=\"1220\"\u003e– Ideal preventative maintenance for tuned cars\u003c\/p\u003e\n\u003ch3 data-start=\"1271\" data-end=\"1286\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"1288\" data-end=\"1377\"\u003eN55 Models:\u003cbr data-start=\"1303\" data-end=\"1306\"\u003e– BMW M135i\u003cbr data-start=\"1317\" data-end=\"1320\"\u003e– BMW M235i\u003cbr data-start=\"1331\" data-end=\"1334\"\u003e– BMW 335i\u003cbr data-start=\"1344\" data-end=\"1347\"\u003e– BMW 435i\u003cbr data-start=\"1357\" data-end=\"1360\"\u003e– BMW M2 (OG N55)\u003c\/p\u003e\n\u003cp data-start=\"1379\" data-end=\"1455\"\u003eS55 Models:\u003cbr data-start=\"1394\" data-end=\"1397\"\u003e– BMW M2 Competition\u003cbr data-start=\"1417\" data-end=\"1420\"\u003e– BMW M3 F80\u003cbr data-start=\"1432\" data-end=\"1435\"\u003e– BMW M4 F82 \/ F83\u003c\/p\u003e\n\u003ch3 data-start=\"1457\" data-end=\"1483\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp data-start=\"1485\" data-end=\"1643\"\u003e– Sold individually (6 required per engine)\u003cbr data-start=\"1528\" data-end=\"1531\"\u003e– Recommended replacement when fitting new spark plugs\u003cbr data-start=\"1585\" data-end=\"1588\"\u003e– Do not mix different coil brands on the same engine\u003c\/p\u003e\n\u003ch3 data-start=\"1645\" data-end=\"1664\"\u003eAbout Bosch\u003c\/h3\u003e\n\u003cp data-start=\"1666\" data-end=\"1850\"\u003eBosch is the original manufacturer for many BMW ignition components, known for precision engineering, OE-level performance and long-term durability in high-output turbocharged engines.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53960911061321,"sku":"0221504800","price":39.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/2851\/1817\/files\/boschignitioncoil.png?v=1772475385"}],"url":"https:\/\/www.trackwarriormods.co.uk\/collections\/spark-plugs.oembed","provider":"Track Warrior Mods","version":"1.0","type":"link"}