{"product_id":"dynamite-friction-604-31090-disc-brake-rotor","title":"Dynamite Friction 604-31090 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Dynamite Friction DFC GEOSPEC Coated Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC GEOSPEC Coated Rotor 604-31090 is engineered for BMW 135i and 135is models, providing reliable braking performance. This vented disc brake rotor is designed to meet precise specifications for optimal fit and function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 135i and 135is models\u003c\/li\u003e\n\u003cli\u003ePart number 604-31090 for accurate identification\u003c\/li\u003e\n\u003cli\u003eVented rotor design for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 21.8 mm and discard thickness of 20.4 mm\u003c\/li\u003e\n\u003cli\u003eFive bolt holes with 14.7 mm diameter each\u003c\/li\u003e\n\u003cli\u003eOutside diameter measures 324 mm, inside diameter 75 mm\u003c\/li\u003e\n\u003cli\u003eRotor height of 77.5 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Specifications\u003c\/h2\u003e\u003cp\u003eThis Dynamite Friction disc brake rotor features a vented design that enhances cooling during braking, reducing the risk of brake fade. The rotor’s nominal thickness is 21.8 mm, with a discard thickness of 20.4 mm, ensuring it meets safety standards for wear limits. The rotor has five bolt holes, each with a diameter of 14.7 mm, and an outside diameter of 324 mm, which aligns with the OEM specifications for BMW 135i and 135is vehicles. The inside diameter is 75 mm, and the rotor height is 77.5 mm, providing a precise fit for the intended models.\u003c\/p\u003e\u003ch2\u003eAbout the DFC GEOSPEC Coated Rotor Line\u003c\/h2\u003e\u003cp\u003eThe DFC GEOSPEC Coated Rotor line by Dynamite Friction is designed to offer enhanced corrosion resistance and durability through a specialized coating process. This coating helps protect the rotor surface from rust and environmental damage, extending the service life of the rotor. The 604-31090 rotor benefits from this coating, making it suitable for drivers seeking consistent braking performance in various conditions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on BMW 135i and 135is\u003c\/li\u003e\n\u003cli\u003eAddresses brake noise caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during aggressive driving\u003c\/li\u003e\n\u003cli\u003eRestores proper rotor thickness for safe braking performance\u003c\/li\u003e\n\u003cli\u003ePrevents corrosion-related rotor damage with coated surface\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dynamite Friction 604-31090 rotor, ensure the rotor surface is clean and free of debris. Verify the bolt hole alignment matches the vehicle’s hub assembly. It is recommended to replace brake pads simultaneously to maintain optimal braking efficiency. Torque bolts to manufacturer specifications and check rotor thickness regularly to monitor wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the 604-31090 rotor to meet industry standards for safety and performance. The DFC GEOSPEC Coated Rotor line undergoes rigorous quality control to ensure durability and fitment accuracy. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":43389571891381,"sku":"HBHR-604-31090","price":78.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_60431090_Fro.jpg?v=1774634037","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-604-31090-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}