{"product_id":"dynamite-friction-631-31098l-disc-brake-rotor-rear-left","title":"Dynamite Friction 631-31098L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eOverview of Dynamite Friction DFC Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is engineered for BMW Z4 models requiring reliable braking performance. This vented disc brake rotor, part number 631-31098L, features a directional, slotted and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW Z4 vehicles\u003c\/li\u003e\n\u003cli\u003eDirectional slotted and drilled surface for improved brake cooling\u003c\/li\u003e\n\u003cli\u003eVented rotor design to reduce heat buildup\u003c\/li\u003e\n\u003cli\u003eRust-resistant zinc silver hat finish\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 20 mm with discard thickness at 18.4 mm\u003c\/li\u003e\n\u003cli\u003e5 bolt holes with 14.6 mm diameter and 120 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 300 mm and height of 54.1 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 from Dynamite Friction is crafted with a vented rotor design that helps dissipate heat more effectively during braking, reducing the risk of brake fade. The rotor surface is both drilled and slotted, which aids in channeling away dust, gas, and water, improving brake pad contact and performance. The directional brake surface ensures optimal rotation alignment for the BMW Z4, enhancing braking efficiency.\u003c\/p\u003e\u003cp\u003eThe rotor’s nominal thickness is 20 mm, with a discard thickness of 18.4 mm, indicating when replacement is necessary to maintain safety and performance. The zinc silver coating on the hat provides rust resistance, extending the rotor’s service life. With 5 bolt holes sized at 14.6 mm diameter and a bolt circle diameter of 120 mm, this rotor fits securely on the BMW Z4 hub assembly.\u003c\/p\u003e\u003ch2\u003eAbout the DFC Brake Rotor - Drilled and Slotted - Silver Product Line\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on delivering rotors with enhanced heat management and surface design. The drilled and slotted features improve brake pad bite and help maintain consistent braking under demanding conditions. This product line is designed to meet the specific requirements of performance-oriented vehicles like the BMW Z4, balancing durability with effective braking response.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during aggressive driving or heavy braking\u003c\/li\u003e\n\u003cli\u003eImproves water and debris evacuation for consistent braking in wet conditions\u003c\/li\u003e\n\u003cli\u003eMinimizes rust and corrosion on the rotor surface\u003c\/li\u003e\n\u003cli\u003eMaintains brake pad contact for smoother stopping power\u003c\/li\u003e\n\u003cli\u003eExtends rotor lifespan with vented design to manage heat\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor is installed with the directional surface aligned according to the vehicle’s rotation direction. Verify bolt hole alignment with the BMW Z4 hub using the 5 bolt holes and 120 mm bolt circle diameter. Check rotor thickness before installation to confirm it meets the nominal thickness of 20 mm and is above the discard thickness of 18.4 mm. Proper torque specifications should be followed to secure the rotor safely.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the 631-31098L rotor to meet OEM standards for fit and function on BMW Z4 models. The rust-resistant zinc silver coating and vented rotor design contribute to long-term durability. Warranty information is available through the manufacturer and should be consulted for coverage details.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51813307744437,"sku":"HBHR-631-31098L","price":94.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63131098L_Fro.jpg?v=1774643208","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-31098l-disc-brake-rotor-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}