Compatibility: This Single VANOS O-Ring Seal Repair Kit is specifically designed for a range of BMW models including the 3, 5, 7 Series, Z3, Z4, X3, and X5. Effective Seal Repair: Restores proper sealing in the VANOS system to prevent oil leaks. Anti-Rattle Feature: Reduces noise and vibration for smoother engine operation. Durable Material: High-quality seals for long-lasting, reliable performance. Effective Solution: A cost-effective solution for owners to maintain their vehicle’s VANOS system without the need for expensive repairs. This Single VANOS O-Ring Seal Repair Kit is specifically designed for a range of BMW models, including the 3, 5, 7 Series, Z3, Z4, X3, and X5. The kit restores the proper function of the VANOS system by replacing worn or damaged O-rings, ensuring better sealing and preventing oil leakage. The anti-rattle feature helps reduce engine noise and vibrations, providing a smoother and quieter driving experience. Made from high-quality materials, this repair kit guarantees durability and performance for extended periods. It's a cost-effective solution for BMW owners to maintain their vehicle’s VANOS system without the need for expensive repairs.