{"product_id":"bosch-x5dc-spark-plug","title":"Bosch X5DC Spark Plug","description":"\u003ch2\u003eBosch X5DC Nickel Spark Plug Overview\u003c\/h2\u003e\u003cp\u003eThe Bosch X5DC is a conventional nickel-copper spark plug built for steady ignition performance and value. It uses a nickel center electrode with a copper core and a ceramic insulator to meet or exceed original equipment specifications for nickel-copper spark plug applications.\u003c\/p\u003e\u003cp\u003eCompatible with select BMW secondary ignition applications, including 1988-1991 BMW M3, 1988 BMW M5, and 1987-1988 BMW M6. The Bosch X5DC is a direct-fit spark plug choice for drivers maintaining factory-style ignition service intervals on these vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: Bosch X5DC\u003c\/li\u003e\n\u003cli\u003eConventional 4-cycle spark plug design\u003c\/li\u003e\n\u003cli\u003eNickel center electrode with copper core for durable spark delivery\u003c\/li\u003e\n\u003cli\u003eNickel ground electrode tip with standard ground configuration\u003c\/li\u003e\n\u003cli\u003ePre-gapped at 0.7 mm\u003c\/li\u003e\n\u003cli\u003eFlat seat design with 12 mm thread diameter and 19 mm reach\u003c\/li\u003e\n\u003cli\u003eNon-projected insulator type with ceramic construction\u003c\/li\u003e\n\u003cli\u003eManufacturer heat range 5\u003c\/li\u003e\n\u003cli\u003eNon-resistor design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eBosch Nickel line spark plugs are built for drivers who want OE-style ignition service without unnecessary complexity. The X5DC uses a heavy-duty nickel center electrode with a copper core to support consistent spark delivery and long service life in nickel-copper core applications. Its standard ground electrode layout, flat seat, and 17.5 mm hex size make it a straightforward replacement for the listed BMW fitments. This part number, Bosch X5DC, is engineered around factory-style specifications for secondary ignition service on classic BMW M3, M5, and M6 applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references no listed aftermarket part numbers for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard starting caused by worn spark plug electrodes\u003c\/li\u003e\n\u003cli\u003eRough idle from inconsistent ignition output\u003c\/li\u003e\n\u003cli\u003eMisfire conditions related to aged plugs\u003c\/li\u003e\n\u003cli\u003eReduced throttle response from degraded spark quality\u003c\/li\u003e\n\u003cli\u003eMaintenance replacement for factory-style ignition service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify the vehicle application before installation: Fits 1988-1991 BMW M3, N\/A; Fits 1988 BMW M5, N\/A; Fits 1987-1988 BMW M6, N\/A.\u003c\/li\u003e\n\u003cli\u003eConfirm the specified gap for your engine before installation; listed notes include 0.028 in for BMW M3 and M5 applications and 0.024 in for BMW M6 applications.\u003c\/li\u003e\n\u003cli\u003eUse the correct torque procedure for the flat-seat design to avoid thread or sealing damage.\u003c\/li\u003e\n\u003cli\u003eInspect ignition wires, distributor components, and coil condition during spark plug service.\u003c\/li\u003e\n\u003cli\u003eReplace plugs as a matched set when servicing the engine.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eBosch manufactures this spark plug to meet or exceed original equipment specifications for nickel-copper core spark plug applications. The Bosch Nickel product line focuses on conventional ignition service parts built for dependable fitment and consistent performance in OE-style maintenance.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":52484106420405,"sku":"BBHK-X5DC","price":13.01,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_X5DC_Fro.jpg?v=1777981640","url":"https:\/\/www.partcatalog.com\/products\/bosch-x5dc-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}