{"product_id":"supertech-bmw-toyota-b58-5mm-intake-valve-stem-seal-inc-m340i-540i-z4-m40i-a90-gr-supra","title":"B58 intake valve stem seal VSI-BM50-I for BMW M340i M440i X3 M40i GR Supra A90","description":"\u003cp\u003ePrecision 5 mm intake valve stem seal for B58 engines - engineered for fit, function and longevity on BMW and Toyota GR Supra applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReduces oil consumption and intake port oiling on stock, fast road or track day B58 builds.\u003c\/li\u003e\n\u003cli\u003eIdeal for cylinder head refreshes, cam swaps, upgraded valve springs or proactive replacement before symptoms appear.\u003c\/li\u003e\n\u003cli\u003eFits all B58-powered models listed: BMW M140i to X7 40i, Z4 M40i and Toyota GR Supra A90 A91.\u003c\/li\u003e\n\u003cli\u003eNo OEM-replacement framing - this is a performance-grade component built for real-world use.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":54913730937175,"sku":null,"price":1.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1038\/4575\/7271\/files\/SupertechBMWToyotaB585mmIntakeValveStemSeal_Inc.M340i_540i_Z4M40i_A90GRSupra_-1_1946x_e673e0e5-1889-4218-864f-f748969b06e5.jpg?v=1788714901","url":"https:\/\/cuzracecars.com\/products\/supertech-bmw-toyota-b58-5mm-intake-valve-stem-seal-inc-m340i-540i-z4-m40i-a90-gr-supra","provider":"Cuz Race Cars","version":"1.0","type":"link"}