{"product_id":"radiator-coolant-expansion-tank-bleeder-screw-with","title":"Radiator Coolant Expansion Tank Bleeder Screw With Tough Rubber O Ring Sweet Fitment For Bmw X3 X5 Z3 Z4 325i 328i 525i 528i Straight Up Smooth Ride Engine Service","description":"\u003cdiv\u003e\n\u003cp\u003eReplace your BMW radiator bleeder screw fast.\u003cbr\u003e\n✔️ Brass M10x1 thread fits BMW cooling systems securely\u003c\/p\u003e \u003cp\u003eThis coolant bleeder valve controls fluid pressure and vents trapped air from the expansion tank during routine engine service. Shop technicians and weekend wrenchers mount it on BMW X3 X5 Z3 Z4 325i 328i 525i 528i platforms to stop overheating and keep the cooling loop sealed tight for reliable highway cruising.\u003c\/p\u003e \u003cp\u003e✅ Premium brass body handles high heat without warping\u003cbr\u003e\n✅ Tough rubber O ring seals leak free every service cycle\u003cbr\u003e\n✅ Standard M10x1 pitch matches factory cooling ports perfectly\u003cbr\u003e\n✅ Direct OEM 17111712788 swap installs in minutes\u003cbr\u003e\n\u003c\/p\u003e \u003cp\u003e💡 How does a threaded brass bleed valve improve pressure regulation in cold engine starts?\u003cbr\u003e\n- Manual bleeding evacuates vapor locks that spike head gasket stress and distort aluminum cylinder walls.\u003cbr\u003e\n- A reinforced M10 flare seal maintains stable coolant loop tension while thermal cycles expand metal components.\u003cbr\u003e\n- Consistent port geometry reduces pump cavitation and extends water jacket lifespan during heavy trailer hauling.\u003cbr\u003e\n\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49328466788587,"sku":"VXB0D44L23NL","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51sySJtIU4L.jpg?v=1788263933","url":"https:\/\/vxb.com\/products\/radiator-coolant-expansion-tank-bleeder-screw-with","provider":"VXB Bearings","version":"1.0","type":"link"}