{"product_id":"dynamite-friction-631-31111l-disc-brake-rotor-rear-left","title":"Dynamite Friction 631-31111L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eReliable Performance for BMW Brake Systems\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-31111L) is engineered to provide consistent braking performance for select BMW models. Designed with precision, this vented disc brake rotor offers enhanced heat dissipation and improved stopping power for vehicles such as the BMW 320i, 328i, and 230i xDrive.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 120i, 220i, 228i, 228i xDrive, 230i, 230i xDrive, 320i, 323i, 325i, 328d, 328i, and 428i models\u003c\/li\u003e\n\u003cli\u003eVented rotor design with drilled and slotted surface for efficient heat management\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 20 mm and discard thickness of 18.4 mm for durability and safety\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface to optimize braking performance and pad contact\u003c\/li\u003e\n\u003cli\u003eRust-resistant zinc silver hat finish and plain disc finish for corrosion protection\u003c\/li\u003e\n\u003cli\u003eFive bolt holes with 16.6 mm diameter and 120 mm bolt circle diameter for secure fitment\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 300 mm and height of 66.4 mm to match OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the DFC Brake Rotor - Drilled and Slotted - Silver Line\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on delivering rotors that combine drilled holes and slots to improve water and gas evacuation during braking. This design helps maintain consistent brake pad contact and reduces the risk of brake fade under demanding conditions. The silver zinc coating on the rotor hat enhances corrosion resistance, extending the rotor's service life in various driving environments.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a vented design that promotes airflow between the rotor surfaces, aiding in heat dissipation during braking. The rotor's surface is both drilled and slotted, which assists in removing brake dust and gases, improving overall braking efficiency. With a nominal thickness of 20 mm and a discard thickness of 18.4 mm, the rotor ensures safe operation until replacement is necessary. The rotor's directional surface is engineered to optimize braking performance when installed correctly. The zinc silver finish on the rotor hat provides additional protection against rust and corrosion, maintaining structural integrity over time.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors causing brake vibration or noise\u003c\/li\u003e\n\u003cli\u003eImproved heat dissipation to reduce brake fade during aggressive driving\u003c\/li\u003e\n\u003cli\u003eEnhanced braking response for BMW 320i, 328i, and 230i xDrive models\u003c\/li\u003e\n\u003cli\u003eCorrosion resistance to extend rotor lifespan in humid or salty environments\u003c\/li\u003e\n\u003cli\u003eAddressing uneven pad wear due to rotor surface imperfections\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 facing the correct rotation direction as indicated by the vehicle manufacturer. Verify that the bolt hole pattern (5 holes, 16.6 mm diameter, 120 mm bolt circle) matches the vehicle hub. It is recommended to inspect brake pads and hardware during rotor replacement to maintain optimal braking performance. Proper torque specifications should be followed when securing the rotor to avoid warping or uneven wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the 631-31111L rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant coating and vented design contribute to the rotor's durability and consistent performance. Warranty details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51794116214965,"sku":"HBHR-631-31111L","price":88.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63131111L_Fro.jpg?v=1774641373","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-31111l-disc-brake-rotor-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}