{"product_id":"nv-3807-wagner-tuning-head-stud-kit-bmw-n55","title":"Wagner Tuning Head Stud Kit, BMW N55","description":"\u003cdiv\u003e\n\u003cp\u003eBMW N55 Engine Pro-Series 18.8 Cylinder Head Stud Set\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReplacing the original cylinder head screws with high-strength Pro-Series 18.8 studs\u003c\/span\u003e\u003cspan\u003e is necessary when making large increases in performance, as the original cylinder head screws elongate during operation and the cylinder head can lift off.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Pro-Series 18.8 stud bolts with a tensile strength of 1850 N \/ mm² provide a solution to this.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn addition, these stud bolts do not have to be replaced after dismantling, but can be reused.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e(4) M9 Stud Bolts\u003cbr\u003e\n(10) M11 Stud Bolts\u003cbr\u003e\n(4) M9 Nuts\u003cbr\u003e\n(10) M11 Nuts\u003cbr\u003e\n(14) Washers\u003cbr\u003e\nAssembly Paste\u003cbr\u003e\nAssembly Instructions\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eTensile strength:\u003c\/strong\u003e\u003c\/em\u003e PS 18.8 steel \/ 1850+ N\/mm² (270.000+PSI)\u003c\/p\u003e\n\u003cp\u003eA special steel is used which, after tempering, has a tensile strength of 1850 + N \/ mm².\u003c\/p\u003e\n\u003cp\u003eAll threads are formed and not cut as usual. The so-called rolling of threads can increase the strength of the tooth flanks by around 30%.\u003c\/p\u003e\n\u003cp\u003eAll Pro-Series products are supplied with a nickel coating or optional with a burnished protecting against corrosion in the long term, even under the toughest conditions. Pro-Series stud bolts have a hexagon socket drive on the head side for screwing in the stud bolts. Due to a cone on the engine block side of the bolt, these are not supported on the thread flanks when the nuts are tightened, but in the bore of the thread in the engine block. This support protects the threads when racing engines are frequently rebuilt.\u003c\/p\u003e\n\u003cp\u003ePro-Series advantage over other manufacturers is the nuts and washers included in the set, these also have a tensile strength of 1850 N \/ mm².\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eApplication list:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eMY 2009 – 2015\u003cbr\u003e\n135i E82\/E88 306PS\u003cbr\u003e\n135i E82\/E88 326PS\u003cbr\u003e\nM135i F20\/F21 320PS\u003cbr\u003e\nM135i F20\/F21 326PS\u003cbr\u003e\nM235i F22\/F23 326PS\u003cbr\u003e\nM2 F87 Coupe 370PS\u003cbr\u003e\n335i F30\/F31\/F34\/F35 306PS\u003cbr\u003e\n335i F30\/F31\/F34\/F35 326PS\u003cbr\u003e\n335i F30\/F31\/F34\/F35 340PS\u003cbr\u003e\n335i E90\/E91\/E92\/E93 306PS\u003cbr\u003e\n335i E90\/E91\/E92\/E93 326PS\u003cbr\u003e\n435i F32\/F33\/F36 306PS\u003cbr\u003e\n435i F32\/F33\/F36 340PS\u003cbr\u003e\n535i F07 Gran Turismo 306PS\u003cbr\u003e\n535i F10 306PS\u003cbr\u003e\n535i F10\/F11\/F18 326PS\u003cbr\u003e\n535i F11 Touring 306PS\u003cbr\u003e\n640i F12\/F13\/F06 320PS\u003cbr\u003e\n740i F01\/F02\/F03\/F04 320PS\u003cbr\u003e\nX1 35i E84 (USA) 306PS\u003cbr\u003e\nX3 35i F25 306PS\u003cbr\u003e\nX4 35i F26 306PS\u003cbr\u003e\nX4 M40i F26 360PS\u003cbr\u003e\nX5 35i F15 306PS\u003cbr\u003e\nX5 35i E70 306PS\u003cbr\u003e\nX6 35i E71 306PS\u003c\/p\u003e\n\u003cp\u003eManufactured in Germany\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eInstallation Instructions:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e1. After unpacking ProSeries stud bolts, inspect all hardware prior to installation. Look for obvious defects or shipping damage. \u003ca href=\"mailto:sales@5150AutoSport.com\"\u003eContact our sales team\u003c\/a\u003e immediately with any questions or issues.\u003cbr\u003e\n2. Before mounting, compare the supplied bolts with the stock screws, paying particular attention to the thread type and length of the bolts.\u003cbr\u003e\nCheck existing threads inside engine block for damage. To ensure proper thread engagement and accurate torque readings, make sure that all threads are free from remnant sealer, lubricant, and debris. Check the flatness and surface finish of the engine block and cylinder head deck to avoid gasket failure.\u003cbr\u003e\n3. Insert stud bolts into the engine block and tighten with a 5mm hexagon socket on the drive provided at the head of the stud bolt with a torque of 15Nm.\u003cbr\u003e\n4. If the stud bolts are to remain permanently installed in the engine block, they can be used with screw lock (not included)\u003cbr\u003e\n5. \u003cstrong\u003e\u003cem\u003eAttention!\u003c\/em\u003e\u003c\/strong\u003e Before final mounting of Pro-Series nuts and washers, all contact surfaces must be completely wetted with the supplied special ProSeries lubricant.\u003cbr\u003e\n\u003cem\u003eIf this will not be considered the applied tightening torque is falsified and the resulting clamping force is reduced. Under certain circumstances, this can also inevitably lead to the bolts breaking \/ shearing off.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e6. Tighten nuts in three equal steps in the factory sequence. For the last pass, refer to the table shown below:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Type\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM9 x 1.25\u003c\/td\u003e\n\u003ctd\u003e1.25 Nm\u003c\/td\u003e\n\u003ctd\u003e2.45 Nm\u003c\/td\u003e\n\u003ctd\u003e3.65 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM10 x 1.25\u003c\/td\u003e\n\u003ctd\u003e1.30 Nm\u003c\/td\u003e\n\u003ctd\u003e2.60 Nm\u003c\/td\u003e\n\u003ctd\u003e3.85 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM11 x 1.125\u003c\/td\u003e\n\u003ctd\u003e1.40 Nm\u003c\/td\u003e\n\u003ctd\u003e2.80 Nm\u003c\/td\u003e\n\u003ctd\u003e2.80 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM12 x 1.25\u003c\/td\u003e\n\u003ctd\u003e1.45 Nm\u003c\/td\u003e\n\u003ctd\u003e2.90 Nm\u003c\/td\u003e\n\u003ctd\u003e3.130 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e7. ProSeries studs and nuts can always be reused. When re-tightening or reassembling, please always ensure that all contact surfaces are wetted with special ProSeries lubricant. Please \u003ca href=\"mailto:sales@5150autosport.com\"\u003econtact our sales team\u003c\/a\u003e if you have any further questions.\u003c\/p\u003e\n\u003c\/div\u003e\u003ch3\u003eAvailability and delivery\u003c\/h3\u003e\u003cp\u003eSupplied to order. Supplier availability is subject to confirmation. Shipping is calculated at checkout.\u003c\/p\u003e","brand":"NV Performance","offers":[{"title":"None","offer_id":54985495118037,"sku":"NV-3807-0001","price":13500.0,"currency_code":"ZAR","in_stock":true},{"title":"Burnished","offer_id":54985495150805,"sku":"NV-3807-0002","price":13500.0,"currency_code":"ZAR","in_stock":true},{"title":"Nickel Plated","offer_id":54985495183573,"sku":"NV-3807-0003","price":22500.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/9196\/2837\/files\/WAG-HSK-NICK.webp?v=1789885523","url":"https:\/\/montigenix.co.za\/products\/nv-3807-wagner-tuning-head-stud-kit-bmw-n55","provider":"MONTIGENIX","version":"1.0","type":"link"}