{"product_id":"bosch-zr5tpp33-spark-plug","title":"Bosch ZR5TPP33 Spark Plug","description":"\u003ch2\u003eOverview of Bosch OE Fine Wire Double Platinum Spark Plug ZR5TPP33\u003c\/h2\u003e\u003cp\u003eThe Bosch OE Fine Wire Double Platinum spark plug ZR5TPP33 is engineered for precision ignition performance in select BMW and Rolls-Royce models. Designed with durable platinum electrodes and a tapered ground electrode tip, this spark plug supports efficient combustion and reliable engine operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDouble platinum electrodes for extended durability\u003c\/li\u003e\n\u003cli\u003eTapered ground electrode tip design for improved spark efficiency\u003c\/li\u003e\n\u003cli\u003eStandard ground configuration with a single ground electrode\u003c\/li\u003e\n\u003cli\u003ePre-gapped to 0.8 mm for optimal ignition\u003c\/li\u003e\n\u003cli\u003eFlat seat type with 14 mm hex size for secure installation\u003c\/li\u003e\n\u003cli\u003eResistor value of 8000 ohms to reduce electrical interference\u003c\/li\u003e\n\u003cli\u003eCompatible with 4-cycle engines in BMW and Rolls-Royce vehicles\u003c\/li\u003e\n\u003cli\u003eReach of 26.5 mm and thread diameter of 12 mm\u003c\/li\u003e\n\u003cli\u003eCeramic projected insulator for enhanced heat resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails on Bosch OE Fine Wire Double Platinum Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Fine Wire Double Platinum line by Bosch features spark plugs with fine wire platinum center and ground electrodes, designed to provide consistent ignition and longer service life compared to conventional plugs. This product line focuses on precise electrode geometry and high-quality materials such as nickel-yttrium and copper cores to maintain stable performance under demanding conditions. The ZR5TPP33 spark plug exemplifies these characteristics, making it suitable for premium vehicles requiring reliable secondary ignition components.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Attributes\u003c\/h2\u003e\u003cp\u003eThe Bosch ZR5TPP33 spark plug incorporates a platinum center electrode tip and a platinum-nickel-yttrium ground electrode tip, both contributing to enhanced wear resistance and stable spark delivery. The tapered ground electrode tip design improves spark exposure to the combustion chamber, promoting efficient ignition. With a manufacturer heat range of 5, this spark plug balances heat dissipation and fouling resistance. The ceramic projected insulator ensures electrical insulation and thermal stability, while the resistor built into the plug (8000 ohms) minimizes radio frequency interference. The flat seat and 14 mm hex size facilitate proper sealing and ease of installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW models including 135i, 335i, 435i, 535i, 550i, 640i, 650i, 740i, 750i, 760Li, M235i, X1, X3, X4, X5, and X6\u003c\/li\u003e\n\u003cli\u003eCompatible with Rolls-Royce models such as Dawn, Ghost, and Wraith\u003c\/li\u003e\n\u003cli\u003eDesigned for 4-cycle gasoline engines requiring platinum spark plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by Bosch ZR5TPP33 Spark Plug\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMisfires caused by worn or fouled spark plugs\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency due to inconsistent ignition\u003c\/li\u003e\n\u003cli\u003eEngine hesitation or rough idling\u003c\/li\u003e\n\u003cli\u003eDifficulty starting the engine in cold conditions\u003c\/li\u003e\n\u003cli\u003eElectrical interference affecting onboard electronics\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify the spark plug gap is set to the specified 0.8 mm pre-gap. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the threads or improper sealing. The 14 mm hex size allows compatibility with standard spark plug sockets. Inspect the spark plug threads and cylinder head for cleanliness to ensure proper fitment. Replacement intervals should follow vehicle manufacturer guidelines for platinum spark plugs.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBosch OE Fine Wire Double Platinum spark plugs are manufactured to meet OEM specifications for fit, form, and function. The use of high-grade materials such as platinum and nickel-yttrium alloys ensures durability and consistent performance. While specific warranty details are subject to Bosch’s terms, these spark plugs are backed by Bosch’s quality standards and are designed to provide reliable ignition for BMW and Rolls-Royce vehicles.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44531877019829,"sku":"BBHK-ZR5TPP33","price":22.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_ZR5TPP33_Fro.jpg?v=1775060724","url":"https:\/\/www.partcatalog.com\/products\/bosch-zr5tpp33-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}