{"product_id":"dynamite-friction-631-31108r-disc-brake-rotor-front-right","title":"Dynamite Friction 631-31108R Disc Brake Rotor - Front 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 631-31108R) is engineered for precision braking performance on select BMW models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDisc type: Vented disc brake rotor with drilled and slotted surface\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 30 mm with discard thickness at 28.4 mm\u003c\/li\u003e\n\u003cli\u003eOverall diameter: 340 mm, height: 73.6 mm\u003c\/li\u003e\n\u003cli\u003eBolt hole quantity: 5 with 16.6 mm diameter, bolt circle diameter: 120 mm\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter: 79 mm\u003c\/li\u003e\n\u003cli\u003eRust resistant zinc silver hat finish and plain disc finish\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface optimized for improved water and debris evacuation\u003c\/li\u003e\n\u003c\/ul\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 rotors that combine drilled holes and slots to improve brake pad bite and heat dissipation. This product line is designed to reduce brake fade and maintain consistent braking performance, especially suitable for BMW vehicles requiring reliable vented rotors with rust-resistant coatings.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a vented design that promotes airflow to reduce heat buildup during braking. The drilled and slotted surface enhances pad cleaning and gas venting, which helps maintain effective braking under various driving conditions. The rotor’s zinc silver hat finish provides corrosion resistance, extending the rotor’s service life. With a nominal thickness of 30 mm and a discard thickness of 28.4 mm, this rotor meets strict specifications for durability and performance. The 5-bolt pattern with a 120 mm bolt circle diameter ensures compatibility with a range of BMW models including the 3 Series, 4 Series, and M Performance variants.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW 118i, 120i, 228i, 230i, 320i, 328i, 330i, 335i, 340i, 428i, 430i, 435i, 440i\u003c\/li\u003e\n\u003cli\u003eBMW xDrive variants including 228i xDrive, 328d xDrive, 328i xDrive, 330i xDrive, 335i GT xDrive, 335i xDrive, 340i GT xDrive, 340i xDrive, 428i xDrive Gran Coupe, 430i xDrive Gran Coupe, 435i xDrive Gran Coupe, 440i xDrive Gran Coupe\u003c\/li\u003e\n\u003cli\u003eBMW M135i, M140i, M235i, M240i and their xDrive versions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake fade caused by excessive heat buildup during aggressive driving\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency due to pad glazing or debris accumulation\u003c\/li\u003e\n\u003cli\u003eCorrosion and rust on rotor surfaces affecting braking smoothness\u003c\/li\u003e\n\u003cli\u003eUneven brake pad wear from inconsistent rotor surface contact\u003c\/li\u003e\n\u003cli\u003eVibration or noise caused by warped or damaged rotors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor surface is clean and free of any protective coatings before installation. Verify the bolt hole pattern and center hole diameter match your vehicle’s hub specifications. It is recommended to replace brake pads when installing new rotors to maintain optimal braking performance. Torque all mounting bolts to manufacturer specifications and check for proper rotor runout to avoid vibration issues.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures this rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant zinc silver coating helps extend rotor life in various environmental conditions. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliability and durability for BMW brake system applications.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51726959607989,"sku":"HBHR-631-31108R","price":141.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63131108R_Fro.jpg?v=1774640252","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-31108r-disc-brake-rotor-front-right","provider":"PartCatalog","version":"1.0","type":"link"}