Upgrade and secure your BMW's door lock system with this 51217404345 Door Lock Circlip Set, designed as a direct OEM replacement for part numbers 51-21-7-404-345 / 51217404345. These clips are built to restore the factory fit and function of your vehicle's door lock mechanism, ensuring smooth operation and lasting reliability. Each clip is made from high-quality automotive-grade yellow nylon, offering excellent durability, flexibility, and resistance to heat, wear, and aging. Unlike low-quality imitations, these retainers maintain their shape and grip under temperature fluctuations and vibration, preventing rattles or loose fittings over time. ✅ Specifications: Material: Premium Yellow Nylon Function: Door Lock Retaining Clip Quantity: 30 Pieces per Pack OEM Reference: 51217404345 / 51-21-7-404-345 ✅ Compatible Models: Fits BMW 5 Series (G30, F90 M5), X5 (F15, G05, F85 X5M), X6 (G06, F16, F86 X6M), and X7 (G07) models — including 530e, 530i, 540i, M550i, M5, and more (2014–2020). These door lock circlips are precision-molded for an exact fit, ensuring your door lock components stay properly aligned and securely fastened. Perfect for body shops, mechanics, or DIY enthusiasts, this 30-piece set provides both value and performance. Restore your BMW's original precision with these OEM-quality replacement clips — reliable, easy to install, and built to last.