{"title":"BMW Z4 Z Series M54B25 2.5L I6","description":"","products":[{"product_id":"airtex-water-pump-to-suit-bmw-z-series-z4-m54b22-m54b25-m54b30-22l-25l-30l-i6","title":"AIRTEX WATER PUMP TO SUIT BMW Z SERIES Z4 M54B22 M54B25 M54B30 2.2L 2.5L 3.0L I6","description":"\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAirtex water pumps are engineered to keep the engine cooling system in premium running condition and deliver maximum coolant flow and durability. Airtex utilises robotic assembly process to manufacture the water pumps, maintaining highest quality to help prevent engine overheating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThis water pump suits BMW Z4 fitted with the I6 engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cstrong\u003eContents:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1 X Water pump\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eVehicle Fitment Guide\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0901\/5509\/0290\/files\/WP616-VFG_793e6a59-d387-4e00-b255-1ec22cec2506.png?v=1761289846\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eNote: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe image is for illustrative purposes only.\u003c\/span\u003e\u003c\/p\u003e","brand":"Airtex","offers":[{"title":"Default Title","offer_id":60666313441650,"sku":"WP616","price":81.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5509\/0290\/files\/WP616-Product_Image.png?v=1756367320"},{"product_id":"ajusa-cylinder-head-gasket-to-suit-bmw-z-series-z4-m54b25-m54b30-25l-30l-i6","title":"AJUSA CYLINDER HEAD GASKET TO SUIT BMW Z SERIES Z4 M54B25 M54B30 2.5L 3.0L I6","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eAjusa Cylinder Head Gasket: Precision Engineered for Engine Protection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAjusa head gasket is meticulously designed to provide a reliable seal between the engine block and cylinder head, ensuring efficient combustion and preventing fluid leakage. A failing head gasket can cause overheating, coolant loss, white smoke, misfires, and oil contamination, often due to internal leaks that may lead to serious damage if left unresolved. This gasket delivers consistent performance under high pressure and temperature conditions. Whether you're rebuilding an engine or replacing worn components, Ajusa delivers dependable performance backed by decades of expertise in critical sealing solutions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eWhy Choose Ajusa Cylinder Head Gasket?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eManufactured from high-quality materials, including MLS, tailored for specific application requirements.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDesigned to retain structural integrity under prolonged thermal stress.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEffective in reducing oil and coolant crossover under dynamic load.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMatches OE fitment standards for seamless installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eContributes to consistent combustion for improved fuel use and reduced emissions.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eUpgrade to Ajusa cylinder head gasket today for trusted reliability, optimal combustion efficiency, and enhanced durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThis head gasket suits BMW vehicles fitted with M54B25 and M54B30 I6 engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eContents:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1 X Cylinder head gasket\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eVehicle Fitment Guide\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cimg alt=\"AJUSA cylinder head gasket for BMW M54B25 and M54B30 engines ‚¬€œ compatible with 325Ci, 325ti, 525i, 530i, X3, X5, Z3, Z4 2.5L and 3.0L inline-6 models\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0901\/5509\/0290\/files\/GSK6253-vfg_a5b22c12-3373-43c5-8c3c-8726e15f473d.png?v=1761276672\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eNotes: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe image is for illustrative purposes only.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eNew cylinder head bolts must also be used when replacing head gaskets.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ajusa","offers":[{"title":"Default Title","offer_id":60678836388210,"sku":"GSK6253-I","price":220.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5509\/0290\/files\/ajusa-cylinder-head-gasket-for-bmw-m54b25-m54b30-engines-compatible-with-325ci-325ti-525i-530i-x3-e83-x5-e53-z3-e36-z4-e85-2-5l-3-0l-inline-6_1551d5b8-fac3-4bcd-8403-6e5f047288fe.png?v=1760789258"},{"product_id":"mace-electronic-throttle-controller-to-suit-bmw-z-series-z4-m54b25-m54b30-m54b22-22l-25l-30l-i6","title":"MACE ELECTRONIC THROTTLE CONTROLLER TO SUIT BMW Z SERIES Z4 M54B25 M54B30 M54B22 2.2L 2.5L 3.0L I6","description":"\u003cp data-textformat='{\"ff\":\"Roboto\",\"fv\":\"normal\",\"td\":\"none\",\"cs\":\"0pt\",\"fw\":\"bold\",\"fgc\":\"rgb(255,0,0)\",\"size\":\"11.00\",\"va\":\"baseline\",\"fw_i\":400,\"type\":\"text\",\"fs\":\"normal\",\"bgc\":\"rgba(0, 0, 0, 0)\"}' data-header=\"0\" data-doc-type='function(){return\"writer\"}' data-doc-id=\"5969371000006244001\" class=\"zw-paragraph heading0\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe strict regulations that modern cars must adhere to these days mean any enjoyment you can have behind the wheel is quite limited. Unfortunately, the control systems put in place restrain the engine's performance and prevent you from experiencing its full potential. Our electronic throttle controllers are just a small device that can help you restore that exhilarating sensation you’re currently missing out on without illegally interfering with any major componentry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-textformat='{\"ff\":\"Roboto\",\"fgc\":\"rgb(0,0,0)\",\"size\":\"11\",\"type\":\"text\"}' data-header=\"0\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe factory drive-by-wire system actually dulls down throttle response and, in turn, makes the engine feel as though it's lacking power until a certain throttle percentage is achieved. Even then, specific conditions need to be met for the engine to make peak power. This can become quite frustrating and even unsafe in some circumstances. The Mace throttle controller eliminates this delay that exists between the throttle pedal and the butterfly in the throttle body, re-establishing throttle response and bottom-end acceleration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-textformat='{\"ff\":\"Roboto\",\"fgc\":\"rgb(0,0,0)\",\"size\":\"11\",\"type\":\"text\"}' data-header=\"0\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIn addition to sharper throttle response, our controllers also have an economy mode which basically does the opposite. By powering down the signal to the throttle, the delay in throttle response is magnified. The benefit being improved fuel economy over longer trips and smoother transitions in throttle percentage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-textformat='{\"ff\":\"Roboto\",\"fgc\":\"rgb(0,0,0)\",\"size\":\"11\",\"type\":\"text\"}' data-header=\"0\"\u003e \u003c\/p\u003e\n\u003cp data-textformat='{\"ff\":\"Roboto\",\"fv\":\"normal\",\"td\":\"none\",\"cs\":\"0pt\",\"fw\":\"bold\",\"fgc\":\"rgb(255,0,0)\",\"size\":\"11.00\",\"va\":\"baseline\",\"fw_i\":400,\"type\":\"text\",\"fs\":\"normal\",\"bgc\":\"rgba(0, 0, 0, 0)\"}' data-header=\"0\" data-doc-type='function(){return\"writer\"}' data-doc-id=\"5969371000006244001\"\u003e\u003cspan style=\"color: rgb(249, 6, 6);\"\u003e\u003cstrong\u003eModes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSport Mode: \u003c\/strong\u003e9 stages of increased accelerator response suited for spirited driving.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEconomy Mode:\u003c\/strong\u003e Reduced accelerator response suited for economy driving around towns and on highways.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eNormal Mode:\u003c\/strong\u003e Factory throttle response.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-textformat='{\"fw\":\"bold\",\"fgc\":\"rgb(255,0,0)\",\"type\":\"text\"}' data-doc-id=\"5969371000005523014\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(245, 5, 5);\"\u003eFeatures:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\" data-textformat='{\"ff\":\"Arimo\",\"size\":\"11\",\"fw_i\":400,\"type\":\"text\"}' data-list-info='{\"id\":23717015,\"l\":0}' data-list-id=\"23717015\" data-header=\"0\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eOBD.II free, meaning power is sourced directly from the pedal and additional plugs are no longer required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\" data-textformat='{\"ff\":\"Arimo\",\"size\":\"11\",\"fw_i\":400,\"type\":\"text\"}' data-list-info='{\"id\":23717015,\"l\":0}' data-list-id=\"23717015\" data-header=\"0\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTemperature ranges from -40~+125 °C.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\" data-textformat='{\"ff\":\"Arimo\",\"size\":\"11\",\"fw_i\":400,\"type\":\"text\"}' data-list-info='{\"id\":23717015,\"l\":0}' data-list-id=\"23717015\" data-header=\"0\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePreviously set stage numbers are retained thanks to Power off memory function.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\" data-textformat='{\"ff\":\"Arimo\",\"size\":\"11\",\"fw_i\":400,\"type\":\"text\"}' data-list-info='{\"id\":23717015,\"l\":0}' data-list-id=\"23717015\" data-header=\"0\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eImproves low torque.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\" data-textformat='{\"ff\":\"Arimo\",\"size\":\"11\",\"fw_i\":400,\"type\":\"text\"}' data-list-info='{\"id\":23717015,\"l\":0}' data-list-id=\"23717015\" data-header=\"0\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePlug and play, Using the same OEM harness. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDigital signal output AD\/DA up to 10 Bit, efficiently responds to the original throttle signal.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(254, 6, 6);\"\u003e\u003cstrong\u003eVehicle Fitment Guide\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0901\/5509\/0290\/files\/ETC623-VFG_46b107e2-a756-450a-b703-bd1891eefce4.png?v=1761230758\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp data-textformat='{\"ff\":\"Roboto\",\"fw\":\"bold\",\"fgc\":\"rgb(255,0,0)\",\"size\":\"11\",\"type\":\"text\"}' data-header=\"0\" data-doc-id=\"5969371000005523014\"\u003e\u003cspan style=\"color: rgb(254, 6, 6);\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-textformat='{\"ff\":\"Roboto\",\"fw\":\"bold\",\"fgc\":\"rgb(255,0,0)\",\"size\":\"11\",\"type\":\"text\"}' data-list-info='{\"id\":\"36002973\",\"l\":0}' data-list-id=\"36002973\" data-header=\"0\" class=\"zw-list zw-paragraph heading0\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eElectronic throttle controllers for other makes and engines can be purchased through other listings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInstallation is quite simple and the modification is completely reversible within a couple of minutes. All kits include simple fitting and calibration instructions.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MACE","offers":[{"title":"Default Title","offer_id":60681847046514,"sku":"ETC623-A","price":205.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5509\/0290\/files\/Mace-Throttle-Controller-1_926c75ee-e0a2-49de-95e3-43eb3467e910.png?v=1763363898"},{"product_id":"set-of-6-autolite-spark-plugs-to-suit-bmw-z-series-z4-m54b25-m54b30-25l-30l-i6","title":"SET OF 6 AUTOLITE SPARK PLUGS TO SUIT BMW Z SERIES Z4 M54B25 M54B30 2.5L 3.0L I6","description":"\u003cp\u003eInspired and used within NASCAR, these premium Copper, Double Platinum and Iridium spark plugs are for the enthusiasts with high performance applications in mind.\u003c\/p\u003e\n\u003cp\u003eThe new Autolite plugs ignite more gas and air mixture inside the cylinders to deliver better overall performance. The ignition is also more focused, which provides better and faster fuel combustion, optimizing the vehicles spark plug performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cstrong\u003eContents:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6 X Autolite Spark plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cstrong\u003eVehicle Fitment Guide\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0901\/5509\/0290\/files\/SP6429-SP6430-SP6431-VFG_57e6ffc4-13ca-4d6c-ae6e-426e764ac331.png?v=1761230904\" alt=\"Spark-Plugs-3-Series-SP6429-SP6430-SP6431-VFG-Updated\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cstrong\u003eParts Guide\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0901\/5509\/0290\/files\/SP6429-SP6430-SP6431-PG_00d94c81-3b7d-44fb-8531-43d2cf2c51a7.png?v=1761230904\" alt=\"Spark-Plugs-3-Series-SP6429-SP6430-SP6431-Parts-Guide\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003ePlease select the part number you require from the variation by utilising our vehicle fitment guide and parts guide.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYou can contact us if you are unsure about fitment.\u003c\/li\u003e\n\u003cli\u003eThe gap the new spark plugs as recommended in the above fitment guide or car owner's manual. Use a feeler gauge to measure the gap between the center and ground electrode. The gauge should pass through snugly but easily. If too loose or too tight, reset the gap.\u003c\/li\u003e\n\u003cli\u003eThe images are for illustrative purposes only.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Autolite","offers":[{"title":"SP6429","offer_id":60683237753202,"sku":"SP6429-I","price":30.0,"currency_code":"NZD","in_stock":true},{"title":"SP6430","offer_id":60683237785970,"sku":"SP6430-I","price":85.0,"currency_code":"NZD","in_stock":true},{"title":"SP6431","offer_id":60683237818738,"sku":"SP6431-I","price":135.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5509\/0290\/files\/Copper-Core-Spark-Plug-Box-3-Series-SP6429_b05b7744-3790-4bf0-9abc-61b164a9fef6.png?v=1757415142"}],"url":"https:\/\/www.maceengineering.co.nz\/collections\/bmw-z4-z-series-m54b25-2-5l-i6-1.oembed","provider":"Mace Engineering Group","version":"1.0","type":"link"}