{"product_id":"stoptech-127-34104r-disc-brake-rotor","title":"Stoptech 127.34104R Disc Brake Rotor - Front Right","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 127.34104R) is engineered for BMW 135i, 135is, and 328i models. Designed to enhance braking performance, this vented rotor features a slotted and cross-drilled surface to improve heat dissipation and maintain consistent stopping power under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCross-drilled and slotted surface for improved heat and gas dissipation\u003c\/li\u003e\n\u003cli\u003eVented rotor design with straight vane style for enhanced cooling\u003c\/li\u003e\n\u003cli\u003eCoated hat finish to resist corrosion and extend rotor life\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting for better thermal expansion management\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 135i, 135is, and 328i models\u003c\/li\u003e\n\u003cli\u003eOverall diameter: 338 mm (13.307 inches)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 25.8 mm (1.016 inches), discard thickness: 24.4 mm (0.961 inches)\u003c\/li\u003e\n\u003cli\u003e5 lug holes with 120 mm bolt circle diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotor (127.34104R) is designed specifically for select BMW vehicles, including the 135i, 135is, and 328i. The rotor’s vented construction with straight vanes promotes efficient airflow, reducing heat buildup during braking. The cross-drilled and slotted surface helps evacuate brake dust, gases, and water, which can improve brake pad contact and reduce fade. The coated hat finish protects against rust and corrosion, maintaining the rotor’s structural integrity over time. With a floating disc mounting design, this rotor accommodates thermal expansion, reducing the risk of warping under high-stress conditions.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during aggressive driving or track use\u003c\/li\u003e\n\u003cli\u003eImproves wet weather braking by channeling water away from the pad surface\u003c\/li\u003e\n\u003cli\u003eMinimizes brake dust buildup for cleaner braking performance\u003c\/li\u003e\n\u003cli\u003eHelps prevent rotor warping caused by thermal stress\u003c\/li\u003e\n\u003cli\u003eRestores braking efficiency on BMW 135i, 135is, and 328i models with worn or damaged rotors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your BMW 135i, 135is, or 328i before installation\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to maximize rotor performance\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor distortion\u003c\/li\u003e\n\u003cli\u003eCheck for proper rotor thickness; discard thickness is 24.4 mm (0.961 inches)\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for optimal safety and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStopTech Sport Cross-Drilled \u0026amp; Slotted 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 here, StopTech products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Always verify warranty terms with the product documentation or supplier.\u003c\/p\u003e","brand":"Stoptech","offers":[{"title":"Default Title","offer_id":44572334588085,"sku":"FLMN-127.34104R","price":227.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12734104R_Fro.jpg?v=1774639221","url":"https:\/\/www.partcatalog.com\/products\/stoptech-127-34104r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}