{"product_id":"dynamite-friction-631-31089l-disc-brake-rotor","title":"Dynamite Friction 631-31089L 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 - Silver (part number 631-31089L) is engineered for precision 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, 328i xDrive, and 430i Gran Coupe.\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: 23.8 mm with discard thickness at 22.4 mm\u003c\/li\u003e\n\u003cli\u003eOverall height: 73.6 mm and outside diameter: 312 mm\u003c\/li\u003e\n\u003cli\u003eBolt hole quantity: 5 with 14.5 mm diameter, bolt circle diameter: 120 mm\u003c\/li\u003e\n\u003cli\u003eRust resistant zinc silver hat finish with 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\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 that helps maintain clean pad contact by channeling away dust, gases, and moisture. The zinc silver coating on the hat provides corrosion resistance, extending the rotor's service life. With a bolt hole diameter and stud\/lug hole diameter of 14.5 mm and a bolt circle diameter of 120 mm, this rotor is engineered to fit securely on compatible BMW models. The directional surface pattern is designed to optimize braking performance under various driving conditions.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Applications\u003c\/h2\u003e\u003cp\u003eThis rotor is compatible with a range of BMW vehicles, including but not limited to the 220i, 228i xDrive, 230i, 320i xDrive, 328d, 328i GT xDrive, 330i, 428i Gran Coupe, 430i xDrive Gran Coupe, and X1 models. The part number 631-31089L ensures precise fitment for these vehicles, providing reliable braking performance tailored to BMW's specifications.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Brake Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake fade caused by excessive heat buildup during aggressive driving\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 affecting braking efficiency\u003c\/li\u003e\n\u003cli\u003eReduced braking performance in wet or debris-prone conditions\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 is installed on a clean, debris-free hub surface to maintain proper alignment. Torque all bolts to manufacturer specifications using a star pattern to evenly distribute pressure. It is recommended to replace brake pads simultaneously to optimize braking performance. Verify compatibility with your specific BMW model and drivetrain configuration before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction's DFC Brake Rotor line is manufactured to meet or exceed OEM standards for durability and performance. The rust-resistant coating and vented design contribute to long service life under normal operating conditions. Please refer to Dynamite Friction's warranty policy for detailed coverage information related to this part number 631-31089L.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":43389621338293,"sku":"HBHR-631-31089L","price":98.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63131089L_Fro.jpg?v=1774634396","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-31089l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}