Keep your running smoothly with this precision-engineered fuel injector seal kit. Designed specifically for 1 Series (F20/F21) and 3 Series (F30/F31/F35) models, this comprehensive kit includes four complete sets of seals to service all fuel injectors. These replacement seals help prevent fuel leaks and maintain optimal engine performance. The kit matches OEM part number 13647600869, ensuring proper fitment and reliability. Each set is manufactured to exact specifications for a perfect seal, helping to maintain proper fuel pressure and prevent costly repairs. Installing new injector seals is essential maintenance that can help avoid rough idling, poor fuel economy, and potential engine damage. This kit provides everything needed to service all injectors in compatible models, making it an ideal choice for both professional mechanics and DIY enthusiasts.