{"product_id":"dynamite-friction-830-31099d-disc-brake-rotor-front-left","title":"Dynamite Friction 830-31099D Disc Brake Rotor - Front Left","description":"\u003ch2\u003eOverview of Dynamite Friction DFC Geoperformance Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-31099D) is engineered for BMW models including the 535i, 550i, 650i, and 7 Series variants. Designed to enhance braking performance, this rotor features a directional, slotted and drilled surface for improved heat dissipation and consistent stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirectional slotted and drilled surface for optimized brake pad contact\u003c\/li\u003e\n\u003cli\u003eRust resistant coating to extend rotor life\u003c\/li\u003e\n\u003cli\u003ePlain disc finish with Geospec silver grey hat finish\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 348 mm for precise fitment\u003c\/li\u003e\n\u003cli\u003eDiscard thickness of 34.4 mm to ensure safe replacement intervals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDFC Geoperformance Rotor - Drilled and Slotted Product Line\u003c\/h2\u003e\u003cp\u003eThe DFC Geoperformance Rotor - Drilled and Slotted line by Dynamite Friction focuses on rotors that combine drilled holes and slots to improve brake cooling and debris removal. This design helps maintain consistent braking performance under demanding conditions, making it suitable for BMW vehicles requiring reliable and durable rotors. The directional surface pattern is engineered to optimize pad bite and reduce brake fade.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor is specifically designed for BMW models such as the 535i, 535i GT, 550i, 650i Gran Coupe, and 7 Series variants including the ActiveHybrid 7. The rotor measures 348 mm in outside diameter and features a plain disc finish paired with a Geospec silver grey hat finish for corrosion resistance and aesthetic compatibility. The rust resistant coating further protects the rotor from environmental wear. The directional slotted and drilled surface enhances heat dissipation and helps channel away brake dust and gases, contributing to improved braking consistency and reduced pad glazing. The discard thickness of 34.4 mm provides a clear maintenance guideline to ensure rotor replacement before performance degradation occurs.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eImproves brake cooling to reduce fade during extended braking\u003c\/li\u003e\n\u003cli\u003eHelps prevent brake pad glazing and uneven wear\u003c\/li\u003e\n\u003cli\u003eReduces rotor surface corrosion with rust resistant coating\u003c\/li\u003e\n\u003cli\u003eMaintains consistent braking performance for BMW 535i, 550i, 650i, and 7 Series models\u003c\/li\u003e\n\u003cli\u003eSupports safe replacement intervals with clear discard thickness specification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure compatibility with your specific BMW model and verify rotor dimensions before installation. The directional surface requires correct orientation during mounting to achieve optimal performance. Clean the rotor surface and hub mounting area to prevent uneven contact. Follow manufacturer torque specifications for lug nuts to avoid rotor warping.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamite Friction rotors undergo rigorous quality control to meet OEM standards. The rust resistant coating and precise machining contribute to long service life. Please refer to Dynamite Friction’s warranty policy for coverage details related to manufacturing defects.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51801076695221,"sku":"HBHR-830-31099D","price":210.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_83031099D_Fro.jpg?v=1774642297","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-830-31099d-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}