{"type":"firestarter.listing","listing":{"id":"lst_KIbR8Rh0","product_name":"Alcon BMW F8x M2/M3/M4 380x32mm 4 Piston Rear Brake Upgrade Kit - Red","category":"Brake Kit","description":"BRAKE KIT BMW F80 M2, M3, M4 REAR, 4 PISTON RED CALIPERS, 380X32MM ROTORS \n\nFeatures and Benefits\n\nHigh friction pads increase stopping power Steel staggered pistons in order to ensure even pad wear Stainless steel pistons as standard for improved resistance to thermal conductivity Pin mounted pads for quicker and easier pad change\n\n \n \nFits: \n\n\n2016-2018 BMW M2 Base L6.2979cc Brakes, Rotors &amp; Pads::Big Brake Kits\n2016: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n2017: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n2018: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n\n\n2015-2018 BMW M3 Base L6.2979cc Brakes, Rotors &amp; Pads::Big Brake Kits\n2015: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n2016: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n2017: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n2018: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n\n\n2015-2018 BMW M4 Base L6.2979cc Brakes, Rotors &amp; Pads::Big Brake Kits\n2015: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n2016: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n2017: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n2018: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n\n\n2016 BMW M4 GTS L6.2979cc Brakes, Rotors &amp; Pads::Big Brake Kits\n2016: 4-piston RED RC4 calipers, 380x32 2-pc rotors\n\n","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/981ec94ed8e4b0ffece28ccd92233bc5.jpg?v=1766419363"],"price":3670.8,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:22.662Z"},"share_url":"https://firestarter.network/l/lst_KIbR8Rh0","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_KIbR8Rh0' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Alcon BMW F8x M2/M3/M4 380x32mm 4 Piston Rear Brake Upgrade Kit - Red' and a budget_max comfortably above $3670.80 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}