{"type":"firestarter.listing","listing":{"id":"lst_UKR2FrsC","product_name":"H&R Super Sport Springs | BMW F3X","category":"Lowering Spring Kit","description":"Product Details; H&R Super Sport Springs | BMW F3X\nOverview:\nFits F30/F32 3-Series & 4-Series (RWD only). \nLowers car approximately 1.6\" front, 1.3\" rear - pending with or without sport suspension.\nH&R's Super Sport Springs will lower your vehicle an average of 2 inches (depending upon the make and model of your vehicle) for a lower center of gravity, improved handling and a more aggressive appearance. Super Sport springs feature more control than that of the OE Sport spring, but is still comfortable for daily use if you are looking to lower the car more than with the Sport springs. Super Sport springs are an excellent choice for street and occasional track use.\nPhoto used for reference only. Actual product may vary.\nH&R was founded by Werner Heine and Heinz Remmen in the 1970's with a simple idea in mind; with improved suspension, vehicles would have more control and better handling.","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/image_10.png?v=1782316672"],"price":274.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T16:46:21.664Z"},"share_url":"https://firestarter.network/l/lst_UKR2FrsC","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 ","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_UKR2FrsC' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy H&R Super Sport Springs | BMW F3X' and a budget_max comfortably above $274.99 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."]}}