{"product_id":"dynamic-friction-4000-0639-00-disc-brake-pad-set-front-or-rear","title":"Dynamic Friction 4000-0639-00 Disc Brake Pad Set - Front or Rear","description":"\u003ch2\u003eBrake Pad Set Overview\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction 4000-0639-00 is a DFC HybriDynamic disc brake pad set built for consistent pedal feel, strong brake response, and low-noise daily driving. It is a fitment-based replacement for select BMW and Ferrari applications, including BMW 840Ci brake pads and BMW 850Ci brake pads.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHybrid friction material for balanced stopping performance.\u003c\/li\u003e\n\u003cli\u003eIntegrally molded pad attachment for stable construction.\u003c\/li\u003e\n\u003cli\u003eLow dust and low noise characteristics for everyday use.\u003c\/li\u003e\n\u003cli\u003ePrepared for electronic pad wear sensor applications.\u003c\/li\u003e\n\u003cli\u003eOuter and inner pads share the same 119.9 mm width and 17 mm thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDFC 4000 HybriDynamic brake pads are formulated to deliver predictable brake response without sacrificing comfort in normal street use. The hybrid friction compound is paired with an integrally molded design to support consistent contact and controlled wear, while the low-dust, low-noise characteristics help keep maintenance and brake noise concerns in check. Part number 4000-0639-00 is listed for rear Ferrari 550 Maranello applications and front BMW 840Ci and BMW 850Ci applications, with a sensor note for the BMW 840Ci fitment.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake noise during daily driving.\u003c\/li\u003e\n\u003cli\u003eExcess brake dust buildup on wheels.\u003c\/li\u003e\n\u003cli\u003eInconsistent pedal feel under normal use.\u003c\/li\u003e\n\u003cli\u003eWear sensor-equipped brake service needs.\u003c\/li\u003e\n\u003cli\u003eReplacement needs for BMW 840Ci, BMW 850Ci, and Ferrari 550 Maranello brake service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eFits 1997-2002 Ferrari 550 Maranello, rear. Fits 1994-1997 BMW 840Ci, front; the fitment note specifies required sensor 341-31020. Fits 1994-1997 BMW 850Ci, front, and also fits 1993 BMW 850Ci, front, from 8\/93. Verify rotor condition, caliper operation, and sensor requirements before installation. Part number 4000-0639-00 should be matched to the listed fitment and notes before service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction positions the DFC HybriDynamic line as a value-focused brake pad formulation engineered for dependable response, low dust, and low noise in daily driving applications.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":53487420899509,"sku":"HBHR-4000-0639-00","price":44.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_4000063900_Fro.jpg?v=1791355436","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-4000-0639-00-disc-brake-pad-set-front-or-rear","provider":"PartCatalog","version":"1.0","type":"link"}