{"product_id":"durago-br901678-disc-brake-rotor","title":"DuraGo BR901678 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of DuraGo BR901678 Disc Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe DuraGo BR901678 is a cast iron vented disc brake rotor designed for select BMW models including the 528i, 528i xDrive, 535d, 535d xDrive, 535i, 535i xDrive, and ActiveHybrid 5. Engineered to meet the demands of these vehicles, this rotor offers reliable braking performance with a conventional, non-directional brake surface.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Durable cast iron construction\u003c\/li\u003e\n\u003cli\u003eVented rotor design for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 0.79 inches (20 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 0.72 inches (18.4 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 12.99 inches (330 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height: 2.72 inches (69 mm)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole quantity: 5 with 0.65 inch (16.6 mm) diameter\u003c\/li\u003e\n\u003cli\u003eConventional rotor type without ABS tone ring\u003c\/li\u003e\n\u003cli\u003eNon-directional brake surface for versatile installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe DuraGo BR901678 disc brake rotor is constructed from full cast iron, providing a balance of strength and thermal conductivity essential for effective braking. Its vented design enhances airflow to reduce heat buildup during braking, which helps maintain consistent stopping power and reduces the risk of rotor warping. With a nominal thickness of 0.79 inches and a discard thickness of 0.72 inches, this rotor meets OEM specifications for thickness tolerances, ensuring safe and reliable use throughout its service life.\u003c\/p\u003e\u003cp\u003eMeasuring 12.99 inches in outside diameter and 2.72 inches in overall height, the rotor fits precisely on the specified BMW models. The 5 mounting bolt holes with a 120 mm bolt circle diameter and 16.6 mm hole diameter provide secure attachment. This rotor does not include an ABS tone ring and features a conventional, non-directional braking surface, allowing for straightforward installation without concern for rotor orientation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW 528i and 528i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 535d and 535d xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 535i and 535i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW ActiveHybrid 5\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis rotor is designed specifically for these BMW models, ensuring proper fitment and performance when replacing worn or damaged rotors.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by DuraGo BR901678\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake rotor warping due to heat stress\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency from worn rotor surfaces\u003c\/li\u003e\n\u003cli\u003eVibration or pulsation during braking caused by uneven rotor thickness\u003c\/li\u003e\n\u003cli\u003eNoise issues related to rotor surface imperfections\u003c\/li\u003e\n\u003cli\u003eCorrosion and surface degradation affecting braking performance (note: this rotor does not have rust-resistant coating)\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 mounting surfaces to prevent rotor misalignment\u003c\/li\u003e\n\u003cli\u003eTorque mounting bolts to manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eCheck brake pads for wear and replace if necessary\u003c\/li\u003e\n\u003cli\u003ePerform a proper bed-in procedure after installation for optimal braking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDuraGo manufactures the BR901678 rotor to meet or exceed OEM standards for fit, form, and function. The full cast iron construction and vented design contribute to consistent braking performance. While this rotor does not include a rust-resistant coating, it is engineered for durability under normal operating conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"DuraGo","offers":[{"title":"Default Title","offer_id":43588680646837,"sku":"GVMP-BR901678","price":60.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/PR_BR901678_Fro.jpg?v=1774635181","url":"https:\/\/www.partcatalog.com\/products\/durago-br901678-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}