{"product_id":"5150-autosport-head-gasket-head-stud-kit-bmw-s54","title":"5150 AutoSport Head Gasket \u0026 Head Stud Kit, BMW S54","description":"\u003cp\u003eSeal your BMW S54B32 \/ S54 engines with the 5150 AutoSport Head Gasket \u0026amp; Head Stud Kit, BMW S54, engineered to hold a reliable seal under high cylinder pressure. Engineered by 5150 AutoSport, this head gasket is built to the standards demanded by high-performance and motorsport BMW builds.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for BMW S54B32 \/ S54 engines\u003c\/li\u003e\n\u003cli\u003eEngineered to seal reliably under high cylinder pressure\u003c\/li\u003e\n\u003cli\u003eA superior solution for forced-induction builds\u003c\/li\u003e\n\u003cli\u003ePrecision-manufactured for consistent fitment\u003c\/li\u003e\n\u003cli\u003eDesigned to outperform factory sealing in high-power applications\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple head gasket type - bore - thickness options to suit your build\u003c\/li\u003e\n\u003cli\u003eSupplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCut Ring Head Gasket\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe SCE Cut Ring Head Gasket is a direct replacement for BMW part #11127835918, designed for the S54 inline-six engine. Standard OEM and MLS gaskets can only withstand limited cylinder pressure before leaking, making this gasket ideal for applications exceeding 16+ psi.\u003c\/p\u003e\u003cp\u003eA failing head gasket can cause overheating, power loss, misfires, or catastrophic engine failure. This gasket is made from high-quality reinforced M0115 material, an asbestos-free, OE-approved composite known for durability. Its AISI 304 stainless steel rings embed into the aluminum head for superior sealing, making it ideal for nitrous or turbo setups exceeding 2 bar boost.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnsure cylinder head and block surfaces are clean, flat, and debris-free.\u003c\/li\u003e\n\u003cli\u003eAlign the gasket properly on the engine block.\u003c\/li\u003e\n\u003cli\u003eInstall the cylinder head and secure head bolts or studs per manufacturer torque specs.\u003c\/li\u003e\n\u003cli\u003eDo NOT use additional sealants, as the gasket includes a Viton rubber sealant coating.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMLS Head Gasket\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Cometic MLS Head Gasket replaces BMW part #11127835918 for S54 engines in E46 M3, E36\/7 Z3 M, Z4 M Coupe\/Roadster, and E46 M3 CSL. It is a high-performance alternative for supercharged and turbocharged builds.\u003c\/p\u003e\u003cp\u003eS54 engines have an 87mm bore and a stock gasket thickness of 0.027 inches. MLS gaskets provide superior sealing, resist shearing forces, and reduce bore distortion. Constructed from multiple stainless-steel layers, they are corrosion-resistant and can withstand extreme heat and pressure.\u003c\/p\u003e\u003cp\u003eDon't see the head gasket you're looking for? More bore and thickness variations available here.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant Compatibility Note:\u003c\/strong\u003e MLS gaskets cannot be used on engines with O-rings or receiver grooves, as they require a smooth, flat sealing surface.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnsure mating surfaces are clean, flat, and free of oil or debris.\u003c\/li\u003e\n\u003cli\u003eAlign the gasket correctly on the block.\u003c\/li\u003e\n\u003cli\u003eInstall the head and torque bolts\/studs per manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003eDo NOT use additional sealants, as the gasket features a Viton rubber sealant.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eARP Head Stud Kit (201-4303)\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ARP 201-4303 head stud kit is a direct replacement for BMW part #11127831862, designed for the S54 inline-six in E46 M3, Z3 M Roadster, Z4 M Coupe\/Roadster, and E46 M3 CSL.\u003c\/p\u003e\u003cp\u003eUpgrading to ARP head studs increases clamping force and improves head gasket sealing, reducing the risk of failure—especially in high-performance, supercharged, or turbocharged applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStrength Options:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP2000 Kit\u003c\/strong\u003e – 220,000 PSI tensile strength (suitable for most high-performance builds). \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Age 625+ Kit\u003c\/strong\u003e – 280,000 PSI tensile strength (ideal for extreme boost applications). \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eHead Stud Kit Installation Instructions: \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e1. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Chase if necessary with ARP Thread Chaser.\u003c\/p\u003e\u003cp\u003e2. Clean and inspect all hardware prior to installation. Look for obvious defects or shipping damages, plus proper fit, length and dimension.\u003c\/p\u003e\u003cp\u003e3. If the cylinder head studs protrude into a water jacket, lubricate the block threads of the studs with ARP THREAD SEALER.\u003c\/p\u003e\u003cp\u003e4. Screw studs into the block “HAND TIGHT ONLY.”\u003c\/p\u003e\u003cp\u003e5. Install the cylinder head(s) and check for binding or misalignment.\u003c\/p\u003e\u003cp\u003e6. Lubricate the stud threads, nuts and washers with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT.\u003c\/p\u003e\u003cp\u003eThen install the washers and the nuts onto the studs and tighten them hand tight.\u003c\/p\u003e\u003cp\u003eARP recommends using the ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT that is provided with each kit as opposed to motor oil. This is due to higher friction on the studs as well as inconsistencies in the clamping force of the fasteners when motor oil or other low quality lubricants are used.\u003c\/p\u003e\u003cp\u003ePRELOAD (TORQUE) RECOMMENDATIONS\u003c\/p\u003e\u003cp\u003e7. Following the manufacturers recommended torque sequence tighten the nuts steps 1-3\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eARP2000\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 1: Tighten to 35 ft-lbs. \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 2: Tighten to 70 ft-lbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 3: Tighten to 105 ft-lbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eCustom Age 625+\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 1: Tighten to 35 ft-lbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 2: Tighten to 70 ft-lbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 3: Tighten to 100 ft-lbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ewith ARP Ultra-Torque fastener assembly lubricant \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBolt Torque Sequence\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e 12 \u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e14 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003e\u003cstrong\u003eBMW S54 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBMW 3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2000-2006 E46 M3\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2001-2002 Z3 M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z4 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2006-2008 Z4 M\u003c\/p\u003e\u003ch3\u003eHead Gasket Type - Bore - Thickness Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCut Ring - 87.5 mm - 0.048\"\u003c\/li\u003e\n\u003cli\u003eMLS - 87.5 mm - 0.030\"\u003c\/li\u003e\n\u003cli\u003eMLS - 87.5mm - 0.040\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBMW S54 Models\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW E46 M3\u003c\/li\u003e\n\u003cli\u003eBMW Z3 M Roadster \/ Coupe\u003c\/li\u003e\n\u003cli\u003eBMW Z4 M Roadster \/ Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose 5150 AutoSport?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePurpose-built BMW performance engineering\u003c\/li\u003e\n\u003cli\u003eComponents developed for high-power, real-world durability\u003c\/li\u003e\n\u003cli\u003eTrusted by serious BMW engine builders\u003c\/li\u003e\n\u003cli\u003eSpecialist knowledge of forced-induction and high-RPM builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy from R44 Performance?\u003c\/h3\u003e\u003cp\u003eR44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW specialists\u003c\/li\u003e\n\u003cli\u003eGenuine 5150 AutoSport products\u003c\/li\u003e\n\u003cli\u003eFast UK \u0026amp; worldwide shipping\u003c\/li\u003e\n\u003cli\u003eExpert product support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your BMW S54B32 \/ S54 build with the 5150 AutoSport Head Gasket \u0026amp; Head Stud Kit, BMW S54 — available now from R44 Performance.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Cut Ring - 87.5 mm - 0.048\" \/ ARP2000","offer_id":57549764460926,"sku":"5150-HEAD-GASKET-HEAD-STUD-KIT-S54-CUTRING-87.5-0.048-ARP2000","price":431.0,"currency_code":"GBP","in_stock":true},{"title":"Cut Ring - 87.5 mm - 0.048\" \/ ARP Custom Age 625+","offer_id":57549764493694,"sku":"5150-HEAD-GASKET-HEAD-STUD-KIT-S54-CUTRING-87.5-0.048-ARPCUSTOMAGE625","price":992.0,"currency_code":"GBP","in_stock":true},{"title":"MLS - 87.5 mm - 0.030\" \/ ARP2000","offer_id":57549764526462,"sku":"5150-HEAD-GASKET-HEAD-STUD-KIT-S54-MLS-87.5-0.030-ARP2000","price":371.0,"currency_code":"GBP","in_stock":true},{"title":"MLS - 87.5 mm - 0.030\" \/ ARP Custom Age 625+","offer_id":57549764559230,"sku":"5150-HEAD-GASKET-HEAD-STUD-KIT-S54-MLS-87.5-0.030-ARPCUSTOMAGE625","price":933.0,"currency_code":"GBP","in_stock":true},{"title":"MLS - 87.5mm - 0.040\" \/ ARP2000","offer_id":57549764591998,"sku":"5150-HEAD-GASKET-HEAD-STUD-KIT-S54-MLS-87.5MM-0.040-ARP2000","price":371.0,"currency_code":"GBP","in_stock":true},{"title":"MLS - 87.5mm - 0.040\" \/ ARP Custom Age 625+","offer_id":57549764624766,"sku":"5150-HEAD-GASKET-HEAD-STUD-KIT-S54-MLS-87.5MM-0.040-ARPCUSTOMAGE625","price":933.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/BMW-S54-Head-Gasket-and-Head-Stud-Kit.webp?v=1781532010","url":"https:\/\/r44performance.com\/products\/5150-autosport-head-gasket-head-stud-kit-bmw-s54","provider":"R44 Performance","version":"1.0","type":"link"}