{"product_id":"dynamite-friction-631-31117r-disc-brake-rotor","title":"Dynamite Friction 631-31117R Disc Brake Rotor - Rear Right","description":"\u003ch2\u003eOverview of Dynamite Friction DFC Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-31117R) is engineered for precise braking performance on select BMW models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles such as the BMW 320i xDrive and 330i xDrive.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor with drilled and slotted surface\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 20 mm and discard thickness of 18.4 mm\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for optimized performance\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust-resistant coating\u003c\/li\u003e\n\u003cli\u003eCompatible with 5-lug bolt pattern, 120 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 300 mm and height of 66.3 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a vented design to improve airflow and reduce heat buildup during braking. The rotor features a drilled and slotted surface type, which helps evacuate gases, dust, and water, maintaining consistent pad contact and reducing brake fade. The rotor’s directional surface is engineered to optimize braking efficiency and performance on BMW vehicles.\u003c\/p\u003e\u003cp\u003eThe rotor’s nominal thickness is 20 mm, with a discard thickness of 18.4 mm, ensuring durability and safety throughout its service life. The zinc silver hat finish provides corrosion resistance, complemented by an overall rust-resistant coating to extend the rotor’s lifespan. The rotor fits vehicles with a 5-bolt hole pattern and a bolt circle diameter of 120 mm, with a bolt hole diameter of 16.8 mm, matching the specifications of various BMW models.\u003c\/p\u003e\u003ch2\u003eDFC Brake Rotor - Drilled and Slotted - Silver Product Line\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on delivering rotors with enhanced heat dissipation and surface durability. This product line combines drilled holes and slots on a vented rotor design to improve braking performance under demanding conditions. The zinc silver hat finish and rust-resistant coating are standard features in this line, aimed at providing long-term reliability and corrosion protection.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW 320i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 325xi\u003c\/li\u003e\n\u003cli\u003eBMW 328d xDrive, 328i, 328i GT xDrive, 328i xDrive, 328xi\u003c\/li\u003e\n\u003cli\u003eBMW 330e, 330i, 330i GT xDrive, 330i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 420i, 428i, 428i Gran Coupe, 428i xDrive, 428i xDrive Gran Coupe\u003c\/li\u003e\n\u003cli\u003eBMW 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe\u003c\/li\u003e\n\u003cli\u003eBMW X1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Brake Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake fade caused by excessive heat buildup\u003c\/li\u003e\n\u003cli\u003eUneven brake pad wear due to poor rotor surface design\u003c\/li\u003e\n\u003cli\u003eCorrosion and rust on rotor surfaces reducing braking efficiency\u003c\/li\u003e\n\u003cli\u003eBrake noise and vibration from warped or damaged rotors\u003c\/li\u003e\n\u003cli\u003eReduced braking performance in wet conditions\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 (18.4 mm) before installation\u003c\/li\u003e\n\u003cli\u003eClean rotor surface and hub mounting area to prevent runout\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for 5-lug bolts with 16.8 mm diameter\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with specific BMW model and year before installation\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to ensure optimal rotor performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the 631-31117R rotor to meet or exceed OEM specifications for fit, form, and function. The rust-resistant coating and zinc silver hat finish contribute to long-term durability. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliability and consistent braking performance.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":43389621731509,"sku":"HBHR-631-31117R","price":79.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63131117R_Fro.jpg?v=1774634400","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-31117r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}