{"product_id":"dynamite-friction-631-31045l-disc-brake-rotor-rear-left","title":"Dynamite Friction 631-31045L 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 (part number 631-31045L) is engineered for precise braking performance on BMW Z3 models. This solid disc brake rotor 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 Z3 vehicles\u003c\/li\u003e\n\u003cli\u003eSolid rotor design with drilled and slotted surface\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 10 mm and discard thickness of 8.4 mm\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust-resistant coating\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for optimized performance\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 272 mm and height of 83.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is designed specifically for the BMW Z3, ensuring proper fitment and reliable braking. The rotor is solid rather than vented, providing a robust structure with a nominal thickness of 10 mm and a discard thickness of 8.4 mm, which indicates when replacement is necessary. The rotor surface is both drilled and slotted, which helps to reduce brake fade by improving heat dissipation and allowing gases and debris to escape during braking.\u003c\/p\u003e\u003cp\u003eThe rotor features a plain disc finish combined with a zinc silver hat finish that includes a rust-resistant coating to protect against corrosion. The directional brake surface is engineered to optimize braking efficiency and maintain consistent contact with brake pads. With 5 bolt holes measuring 14.6 mm in diameter and a bolt circle diameter of 120 mm, this rotor matches the BMW Z3’s specifications precisely.\u003c\/p\u003e\u003ch2\u003eDFC 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 durability. The drilled and slotted design improves braking performance under demanding conditions by facilitating better cooling and debris removal. This product line is suitable for drivers seeking reliable stopping power with corrosion resistance, especially for vehicles like the BMW Z3 that require precise rotor specifications.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on BMW Z3 models\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during aggressive driving\u003c\/li\u003e\n\u003cli\u003eHelps prevent rust and corrosion with zinc silver coating\u003c\/li\u003e\n\u003cli\u003eMaintains consistent braking performance with directional surface design\u003c\/li\u003e\n\u003cli\u003eAddresses noise and vibration issues caused by uneven rotor surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor thickness is above the discard thickness of 8.4 mm before installation. Clean the rotor surface to remove any protective coatings or debris prior to mounting. Verify bolt hole alignment with the 5-lug pattern and 120 mm bolt circle diameter on the BMW Z3. Proper torque specifications should be followed to avoid rotor warping. Directional rotors must be installed with the correct rotation direction for optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures this rotor to meet OEM specifications for the BMW Z3, ensuring reliable fit and function. The rust-resistant coating extends rotor life by protecting against corrosion. While no specific warranty information is provided, the rotor’s design and materials support durability and consistent braking performance.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51794114379957,"sku":"HBHR-631-31045L","price":77.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63131045L_Fro.jpg?v=1774641356","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-31045l-disc-brake-rotor-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}