{"product_id":"stoptech-128-34048l-disc-brake-rotor","title":"Stoptech 128.34048L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eStopTech Sport Cross-Drilled Disc Brake Rotors Overview\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled Disc Brake Rotor 128.34048L is engineered for BMW models including the 323i, 325Ci, 325i, 325xi, 328Ci, 328i, Z3, and Z4. Designed to provide consistent braking performance, this vented rotor features a cross-drilled surface for improved heat dissipation and reduced brake fade.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCross-drilled surface type for enhanced cooling\u003c\/li\u003e\n\u003cli\u003eVented rotor design to maintain optimal temperature\u003c\/li\u003e\n\u003cli\u003eCoated hat finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting for improved rotor alignment\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 323i, 325Ci, 325i, 325xi, 328Ci, 328i, Z3, and Z4\u003c\/li\u003e\n\u003cli\u003ePart number 128.34048L for precise fitment\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 300 mm (11.811 inches)\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 22.000 mm (0.866 inches)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter of 120 mm (4.724 inches) with 5 lug holes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled Disc Brake Rotors are designed with a vented rotor type that uses straight vanes to optimize airflow and heat dissipation during braking. The cross-drilled surface pattern helps to reduce brake fade by allowing gases and heat to escape more efficiently. The rotor features a coated hat finish to protect against corrosion and extend service life. With an overall height of 51.5 mm (2.028 inches) and a center hole diameter of 79 mm (3.110 inches), this rotor is engineered for precise fitment on compatible BMW models. The floating disc mounting system enhances rotor alignment and reduces the risk of warping under heavy braking conditions. Weighing approximately 6.88 kg (15.14 lbs), this rotor balances durability and performance.\u003c\/p\u003e\u003ch2\u003eStopTech Sport Cross-Drilled Disc Brake Rotors Product Line\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor designs such as cross-drilling and venting. This product line is tailored for drivers seeking improved heat management and consistent stopping power in demanding driving conditions. The 128.34048L rotor exemplifies these qualities with its vented construction and coated finish, making it suitable for BMW vehicles requiring reliable and durable braking components.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during aggressive or prolonged braking\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to prevent rotor warping\u003c\/li\u003e\n\u003cli\u003eMinimizes corrosion with coated hat finish\u003c\/li\u003e\n\u003cli\u003eEnhances braking consistency for BMW 323i, 325Ci, 325i, 325xi, 328Ci, 328i, Z3, and Z4 models\u003c\/li\u003e\n\u003cli\u003eProvides precise fitment to avoid installation issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with BMW models 323i, 325Ci, 325i, 325xi, 328Ci, 328i, Z3, and Z4 before installation\u003c\/li\u003e\n\u003cli\u003eCheck rotor thickness and discard thickness limits (nominal thickness 22.000 mm, discard thickness 20.400 mm) to maintain safety standards\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for the 5 lug holes with 14.6 mm diameter studs\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and calipers during rotor replacement for optimal performance\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting requires careful alignment to prevent uneven wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. The coated hat finish provides corrosion resistance, extending the rotor's service life. While specific warranty details are not provided, StopTech products typically adhere to industry standards for material and workmanship quality, ensuring reliable braking performance for BMW vehicles equipped with part number 128.34048L.\u003c\/p\u003e","brand":"Stoptech","offers":[{"title":"Default Title","offer_id":44573325885621,"sku":"FLMN-128.34048L","price":152.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12834048L_Fro.jpg?v=1774639404","url":"https:\/\/www.partcatalog.com\/products\/stoptech-128-34048l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}