{"product_id":"genuine-bmw-self-locking-collar-nut-m8-zns3-oem-31316769731","title":"Genuine BMW OEM Self-Locking Collar Nut M8 Grade 8 ZNS3 | OEM 31316769731","description":"\u003cp\u003eEnsure secure, vibration-resistant assembly across a wide range of BMW models with the \u003cstrong\u003eGenuine BMW OEM Self-Locking Collar Nut M8 Grade 8 ZNS3 – Part 31316769731\u003c\/strong\u003e. The nylon or deformed-thread locking feature prevents loosening under vibration and dynamic loads, while the integrated collar provides an increased bearing surface – making this the ideal OEM replacement for chassis, body and drivetrain applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eGenuine BMW OEM part – guaranteed fitment and quality\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eM8 thread, grade 8 tensile specification\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSelf-locking design resists loosening under vibration\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eZNS3 zinc-nickel coating for superior corrosion resistance\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eCollar provides increased load-bearing surface\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eBroad compatibility across BMW, MINI and Rolls-Royce models\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Self-Locking Nuts Matter\u003c\/h3\u003e\n\u003cp\u003eIn automotive applications, standard nuts can gradually loosen under engine and road vibration. A self-locking collar nut maintains the designed clamping load throughout the service life of the fastened assembly, contributing to structural integrity and safety. Always replace self-locking nuts when re-assembling critical components – they are single-use by design.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCompatibility – BMW, MINI \u0026amp; Rolls-Royce Models\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1 Series:\u003c\/strong\u003e E81, E82, E87, E87 LCI, E88\u003cbr\u003e\n\u003cstrong\u003e3 Series:\u003c\/strong\u003e E36, E46, E90, E90 LCI, E91, E91 LCI, E92, E92 LCI, E93, E93 LCI\u003cbr\u003e\n\u003cstrong\u003e5 Series:\u003c\/strong\u003e E34, E39, E60, E60 LCI, E61, E61 LCI\u003cbr\u003e\n\u003cstrong\u003e6 Series:\u003c\/strong\u003e E63, E63 LCI, E64, E64 LCI\u003cbr\u003e\n\u003cstrong\u003e7 Series:\u003c\/strong\u003e E32, E38, E65, E66, E67, F01, F02\u003cbr\u003e\n\u003cstrong\u003e8 Series:\u003c\/strong\u003e E31, G14 Convertible, M8 F91 Convertible\u003cbr\u003e\n\u003cstrong\u003eX1:\u003c\/strong\u003e E84 | \u003cstrong\u003eX3:\u003c\/strong\u003e E83, E83 LCI | \u003cstrong\u003eX5:\u003c\/strong\u003e E53\u003cbr\u003e\n\u003cstrong\u003eZ4:\u003c\/strong\u003e E85, E86, E89 | \u003cstrong\u003eZ8:\u003c\/strong\u003e E52\u003cbr\u003e\n\u003cstrong\u003eMINI:\u003c\/strong\u003e R50, R53, R56, R56 LCI, R55 Clubman, R55 LCI, R52 Cabrio, R57, R57 LCI, R58 Coupé, R59 Roadster, R60 Countryman, R61 Paceman\u003cbr\u003e\n\u003cstrong\u003eRolls-Royce:\u003c\/strong\u003e Phantom RR1, Phantom Drophead, Phantom Coupé (all series)\u003c\/p\u003e\n\u003cp\u003eIf you are unsure of compatibility, please confirm with your VIN or contact our team.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Choose Genuine BMW?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eExact OEM thread specification and self-locking characteristics\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eZNS3 zinc-nickel coating for long-term corrosion resistance\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eGrade 8 tensile strength – built to BMW assembly tolerances\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSingle-use locking element ensures correct clamping on reassembly\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Buy from R44 Performance?\u003c\/h3\u003e\n\u003cp\u003eR44 Performance is a trusted UK supplier of genuine BMW OEM parts and performance upgrades, serving customers across the UK, Europe, North America and worldwide.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eGenuine BMW OEM parts – 100% authentic\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eBMW-specific expertise\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eFast UK dispatch and international delivery\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eDedicated customer support team\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRestore factory-standard fastening security with the \u003cstrong\u003eGenuine BMW Self-Locking Collar Nut M8 ZNS3 – OEM 31316769731\u003c\/strong\u003e, engineered to BMW's exact specification.\u003c\/p\u003e","brand":"Genuine BMW","offers":[{"title":"Default Title","offer_id":57245518922110,"sku":"31316769731","price":2.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/genuine-bmw-self-locking-collar-nut-m8-zns3-oem-31316769731.jpg?v=1776179678","url":"https:\/\/r44performance.com\/products\/genuine-bmw-self-locking-collar-nut-m8-zns3-oem-31316769731","provider":"R44 Performance","version":"1.0","type":"link"}