{"product_id":"durago-br900774-disc-brake-rotor","title":"DuraGo BR900774 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of DuraGo BR900774 Disc Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe DuraGo BR900774 disc brake rotor is engineered for reliable braking performance on select BMW models. Designed with durable cast iron and a vented construction, this rotor supports effective heat dissipation and consistent stopping power for vehicles like the BMW 328i and X1.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Cast iron for strength and durability\u003c\/li\u003e\n\u003cli\u003eVented rotor design to improve heat dissipation\u003c\/li\u003e\n\u003cli\u003eDrum-in-hat construction for integrated parking brake function\u003c\/li\u003e\n\u003cli\u003eNon-directional brake surface for versatile installation\u003c\/li\u003e\n\u003cli\u003eFive mounting bolt holes with a 120 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.79 inches (20 mm) with discard thickness at 0.72 inches (18.4 mm)\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 11.81 inches (300 mm) and height of 2.61 inches (66.2 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe DuraGo BR900774 is a full cast iron disc brake rotor designed specifically for BMW vehicles including the 130i, 325xi, 328i, 328i xDrive, 328xi, and X1 models. Its vented design enhances cooling efficiency by allowing air to flow between the rotor surfaces, reducing the risk of brake fade during extended use. The drum-in-hat construction integrates a parking brake drum within the rotor, eliminating the need for a separate drum and simplifying the braking system. This rotor features a non-directional braking surface, allowing installation on either side of the vehicle without performance loss. The rotor’s five mounting bolt holes with a 120 mm bolt circle diameter ensure secure fitment and alignment. With a nominal thickness of 0.79 inches and a discard thickness of 0.72 inches, this rotor meets OEM specifications for thickness and wear limits.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors causing brake pulsation or noise\u003c\/li\u003e\n\u003cli\u003eUpgrading rotors to restore braking performance on BMW 328i and X1 models\u003c\/li\u003e\n\u003cli\u003eAddressing rotor thickness below manufacturer discard limits\u003c\/li\u003e\n\u003cli\u003eResolving overheating issues with vented rotor design\u003c\/li\u003e\n\u003cli\u003eMaintaining integrated parking brake functionality with drum-in-hat construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the DuraGo BR900774 rotor, ensure the rotor surface is clean and free of any protective coatings or debris. Verify the rotor thickness before installation to confirm it meets minimum specifications. Use proper torque settings on the five mounting bolts to secure the rotor firmly. Since this rotor is non-directional, it can be installed on either side of the vehicle. It is recommended to replace brake pads simultaneously to ensure optimal braking performance and even wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDuraGo manufactures the BR900774 rotor to meet or exceed OEM standards for fit, form, and function. The cast iron construction and vented design provide durability and heat management consistent with factory requirements. While specific warranty details are not provided, DuraGo products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"DuraGo","offers":[{"title":"Default Title","offer_id":43585108312245,"sku":"GVMP-BR900774","price":48.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/PR_BR900774_Fro.jpg?v=1774635037","url":"https:\/\/www.partcatalog.com\/products\/durago-br900774-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}