{"product_id":"corteco-valve-stem-seal-set-for-bmw-n57-b57-3-0-diesel-engines-corteco-11347812926","title":"Corteco Valve Stem Seal Set for BMW N57 \/ B57 3.0 Diesel Engines - Corteco 11347812926","description":"\u003ch3\u003eComplete 24-Piece Valve Stem Seal Set for BMW N57 \/ B57 Diesel Engines\u003c\/h3\u003e\n\u003cp\u003eA full engine set of genuine Corteco valve stem seals for BMW's 6-cylinder 3.0 litre N57 and B57 diesel engines. Corteco is the automotive aftermarket brand of Freudenberg, one of the original equipment suppliers of sealing technology to BMW, so you're fitting the same quality as factory.\u003c\/p\u003e\n\n\u003ch3\u003eWhy replace your valve stem seals?\u003c\/h3\u003e\n\u003cp\u003eValve stem seals control the tiny amount of oil that lubricates the valve guide. As the FPM rubber hardens and loses elasticity with age and heat cycling, oil begins to seep past the seal and down into the combustion chamber.\u003c\/p\u003e\n\u003cp\u003eCommon symptoms of worn stem seals include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBlue-grey smoke on startup, or after the engine has been idling\u003c\/li\u003e\n\u003cli\u003eGradually increasing oil consumption with no visible external leak\u003c\/li\u003e\n\u003cli\u003eOil fouling of the glow plugs\u003c\/li\u003e\n\u003cli\u003eAccelerated carbon build-up on the valves and in the intake\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause replacement requires removal of the camshafts, stem seals are almost always done as part of a wider cylinder head job — a head refresh, a timing chain replacement, or a performance camshaft and valve spring upgrade. Doing them at the same time saves a second teardown later.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19036772\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCorteco (Freudenberg Group)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrade Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVSS KIT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity in Set\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 seals — complete engine set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFPM (fluoride rubber) — high heat and oil resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlange Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Valves\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplaces OE Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBMW 11347812926\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlso Cross-References\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElring, Victor Reinz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEAN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3358960575418\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.162kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e24 x Corteco valve stem seals (complete set for one engine)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eSuits BMW 2993cc 6-cylinder diesel engines (N57 and B57 families). Confirm against your engine code before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 Series:\u003c\/strong\u003e 325d, 330d, 330xd, 330d xDrive, 335d xDrive — E90, E91, E92, E93, F30, F31, F34, F80\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 Series:\u003c\/strong\u003e 430d, 430d xDrive, 435d xDrive — F32, F33, F36, F82, F83\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 Series:\u003c\/strong\u003e 525d, 530d, 530d xDrive, 535d, 535d xDrive, 540d xDrive, M550d xDrive — F07, F10, F11, G30, G31, F90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 Series:\u003c\/strong\u003e 630d, 630d xDrive, 640d, 640d xDrive — F06, F12, F13, G32\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7 Series:\u003c\/strong\u003e 730d, 730Ld, 730d xDrive, 740d, 740d xDrive, 750d xDrive — F01, F02, G11, G12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX3:\u003c\/strong\u003e xDrive 30d, xDrive 35d, xDrive M40d — F25, G01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX4:\u003c\/strong\u003e xDrive 30d, xDrive 35d, xDrive M40d — F26, G02\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX5:\u003c\/strong\u003e xDrive 25d, xDrive 30d, xDrive 40d, M50d — E70, F15, F85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX6:\u003c\/strong\u003e xDrive 30d, xDrive 40d, M50d — E71, E72, F16, F86\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation requires camshaft removal and a valve spring compressor. Professional installation is recommended.\u003c\/li\u003e\n\u003cli\u003eAlways replace all 24 seals as a set — mixing new and aged seals leads to uneven oil control.\u003c\/li\u003e\n\u003cli\u003eIdeal to fit alongside a performance valve spring or camshaft upgrade, since the valvetrain is already stripped.\u003c\/li\u003e\n\u003cli\u003ePlease confirm your engine code before ordering. Contact us if you need help checking fitment.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Corteco","offers":[{"title":"Default Title","offer_id":51248206970916,"sku":"19036772","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1352\/3759\/files\/corteco-19036772-valve-stem-seal-set-bmw-n57-b57-1.webp?v=1786439069","url":"https:\/\/www.4x4andcamping.com\/products\/corteco-valve-stem-seal-set-for-bmw-n57-b57-3-0-diesel-engines-corteco-11347812926","provider":"QIKAZZ 4x4 \u0026 Camping","version":"1.0","type":"link"}