{"product_id":"dynamite-friction-631-31018r-disc-brake-rotor-rear-right","title":"Dynamite Friction 631-31018R Disc Brake Rotor - Rear Right","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 631-31018R) is engineered for BMW models including the 318i, 318is, 325e, 325es, 325i, 325is, and 325iX. This solid 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\u003ePart Number: 631-31018R\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 318i, 318is, 325e, 325es, 325i, 325is, 325iX\u003c\/li\u003e\n\u003cli\u003eDisc Type: Solid, drilled and slotted\u003c\/li\u003e\n\u003cli\u003eNominal Thickness: 10 mm; Discard Thickness: 8.4 mm\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 258 mm; Overall Height: 60 mm\u003c\/li\u003e\n\u003cli\u003eBolt Hole Quantity: 4; Bolt Circle Diameter: 100 mm\u003c\/li\u003e\n\u003cli\u003eRust Resistant Zinc Silver Hat Finish with Plain Disc Finish\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for optimized performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line Details: DFC Brake Rotor - Drilled and Slotted - Silver\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction offers rotors with enhanced surface designs combining drilled holes and slots. This configuration improves heat dissipation and helps reduce brake fade under demanding conditions. The zinc silver hat finish provides corrosion resistance, extending rotor life. This rotor line is designed to meet the specific braking needs of BMW vehicles requiring solid rotors with directional braking surfaces.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis rotor is a solid type with a nominal thickness of 10 mm and a discard thickness of 8.4 mm, ensuring reliable service life before replacement is necessary. The rotor’s outside diameter measures 258 mm with an overall height of 60 mm, fitting precisely on compatible BMW models. It features four bolt holes with a 15 mm diameter and a bolt circle diameter of 100 mm, matching the factory specifications for secure mounting. The directional slotted and drilled surface improves water and debris evacuation while enhancing pad bite and braking consistency.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement rotor for worn or warped brake rotors on BMW 318i, 318is, 325e, 325es, 325i, 325is, and 325iX models\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during aggressive driving or heavy braking\u003c\/li\u003e\n\u003cli\u003eHelps maintain consistent braking performance in wet or debris-prone conditions\u003c\/li\u003e\n\u003cli\u003eAddresses rotor corrosion issues with rust-resistant zinc silver hat finish\u003c\/li\u003e\n\u003cli\u003eRestores proper braking surface for improved safety and pedal feel\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 contaminants. Verify bolt hole alignment with the vehicle’s hub using the 100 mm bolt circle diameter and 15 mm bolt hole diameter. 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 the 631-31018R rotor to meet OEM standards for fit, form, and function. The rust-resistant coating and zinc silver hat finish contribute to durability and corrosion resistance. While no specific warranty information is provided, this rotor is designed for reliable performance on compatible BMW models when installed and maintained properly.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51726959378613,"sku":"HBHR-631-31018R","price":70.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63131018R_Fro.jpg?v=1774640252","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-31018r-disc-brake-rotor-rear-right","provider":"PartCatalog","version":"1.0","type":"link"}