{"product_id":"dynamite-friction-633-31089l-disc-brake-rotor-front-left","title":"Dynamite Friction 633-31089L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eOverview of Dynamite Friction DFC Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-31089L) is engineered for BMW models including the 220i, 328i xDrive, 330i, and X1. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDisc type: Vented, drilled and slotted for improved cooling\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 23.8 mm with discard thickness at 22.4 mm\u003c\/li\u003e\n\u003cli\u003eOverall diameter: 312 mm with a height of 73.6 mm\u003c\/li\u003e\n\u003cli\u003eHat finish: Zinc black coating for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eRust resistant coating applied to extend rotor life\u003c\/li\u003e\n\u003cli\u003eBolt hole quantity: 5 with 14.5 mm diameter, bolt circle diameter 120 mm\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface optimized for performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis DFC Brake Rotor - Drilled and Slotted - Black from Dynamite Friction is designed specifically for select BMW vehicles such as the 220i, 230i xDrive, 328d, 330i GT xDrive, and 428i Gran Coupe. The rotor’s vented design helps dissipate heat more effectively during braking, reducing the risk of brake fade under demanding conditions. The drilled and slotted surface improves water and debris evacuation, maintaining consistent braking performance in wet or dusty environments.\u003c\/p\u003e\u003cp\u003eThe rotor’s zinc black hat finish and rust resistant coating provide enhanced protection against corrosion, which is critical for maintaining rotor integrity and longevity. With a nominal thickness of 23.8 mm and a discard thickness of 22.4 mm, this rotor meets OEM specifications for thickness and durability. The 5-bolt hole pattern with a 120 mm bolt circle diameter ensures precise fitment on compatible BMW models.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during high-performance or extended braking\u003c\/li\u003e\n\u003cli\u003eImproves braking response in wet or slippery conditions\u003c\/li\u003e\n\u003cli\u003eMinimizes rotor warping caused by excessive heat buildup\u003c\/li\u003e\n\u003cli\u003ePrevents rust and corrosion for longer rotor life\u003c\/li\u003e\n\u003cli\u003eMaintains consistent braking performance on BMW 220i, 328i xDrive, 330i, and X1 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor is compatible with your specific BMW model and verify the bolt pattern matches your vehicle’s hub. Clean the rotor surface before installation to remove any protective coatings or residues. Properly torque lug nuts to manufacturer specifications to avoid rotor warping. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamite Friction’s DFC Brake Rotor line is manufactured to meet or exceed OEM standards for fit, form, and function. The rust resistant coating and zinc black hat finish contribute to the rotor’s durability and corrosion resistance. While no specific warranty information is provided, Dynamite Friction products are generally backed by quality manufacturing processes to ensure reliable performance on BMW vehicles.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51797406089397,"sku":"HBHR-633-31089L","price":120.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63331089L_Fro.jpg?v=1774641909","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-633-31089l-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}