{"product_id":"stoptech-127-34070l-disc-brake-rotor","title":"Stoptech 127.34070L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eStopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors Overview\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotor (Part Number 127.34070L) is engineered for BMW models including the 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 535i xDrive, and 535xi. Designed to enhance braking performance, this vented rotor features a coated hat finish and a floating disc mounting system for improved heat dissipation and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCross-drilled and slotted surface for efficient heat and gas dissipation\u003c\/li\u003e\n\u003cli\u003eVented rotor design with straight vane style for optimal cooling\u003c\/li\u003e\n\u003cli\u003eCoated hat finish to resist corrosion and extend rotor life\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting to reduce stress and improve braking consistency\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 5 Series models: 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 535i xDrive, 535xi\u003c\/li\u003e\n\u003cli\u003ePart Number: 127.34070L\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis StopTech rotor has a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.118 inches (28.400 mm), ensuring precise wear limits for safe operation. The overall height measures 3.039 inches (77.200 mm), with an outside diameter of 12.756 inches (324.000 mm). It includes five stud\/lug holes with a diameter of 0.575 inches (14.600 mm) arranged on a 4.724 inch (120.000 mm) bolt circle diameter. The center hole diameter is 3.110 inches (79.000 mm), and the rotor weighs approximately 23 lbs (10.450 kgs). The rotor does not include ABS tone rings or bearings.\u003c\/p\u003e\u003ch2\u003eAbout the StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors Line\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat dissipation and reduced brake fade. The combination of cross-drilled holes and precision slots helps evacuate gases and debris from the braking surface, which is critical for maintaining consistent stopping power under demanding conditions. This product line is suitable for drivers seeking reliable, performance-oriented rotors for their BMW vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during aggressive driving or towing\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to prevent rotor warping\u003c\/li\u003e\n\u003cli\u003eEnhances wet weather braking by channeling water away\u003c\/li\u003e\n\u003cli\u003eMinimizes brake dust buildup for cleaner braking surfaces\u003c\/li\u003e\n\u003cli\u003eMaintains consistent pedal feel and stopping power\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is above discard thickness before installation\u003c\/li\u003e\n\u003cli\u003eClean rotor surface to remove any protective coatings before use\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for lug nuts to avoid rotor damage\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with vehicle ABS systems as this rotor does not include an ABS tone ring\u003c\/li\u003e\n\u003cli\u003eInspect brake pads for wear and replace if necessary when installing new rotors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStopTech rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Stoptech","offers":[{"title":"Default Title","offer_id":44572310798517,"sku":"FLMN-127.34070L","price":184.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12734070L_Fro_537df5ee-c478-4590-93cc-0d5e8a276905.jpg?v=1774639214","url":"https:\/\/www.partcatalog.com\/products\/stoptech-127-34070l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}