Product Description: Premium Swirl Flap Kit for BMW E90 E91 Enhance the performance of your BMW with our expertly crafted Swirl Flap Kit, specifically designed for E90 and E91 models. This essential upgrade ensures optimal engine efficiency by effectively sealing the intake manifold. Discover the features that make this kit a vital addition to your vehicle: Precision Engineered for Optimal Performance Designed to block the left hole in the engine intake manifold, this swirl flap kit is essential when the original swirl flaps are removed. It ensures your engine runs smoothly and efficiently, enhancing overall vehicle performance. Durable Construction with Quality Materials Crafted from high-quality aluminum and rubber materials, this kit is both firm and anti-wear. Its durable construction guarantees long-lasting use, providing you with a reliable solution that withstands the rigors of daily driving. Effortless Installation The kit is designed for easy installation with no complicated tools required. This user-friendly feature means you can quickly and conveniently upgrade your vehicle, minimizing downtime and maximizing convenience. Perfect Replacement for Old or Broken Parts Whether you're replacing old or damaged components, this swirl flap kit is a wonderful substitute. It restores your vehicle's performance, ensuring it operates as intended without the common issues associated with worn-out parts. Meets Standard Specifications Built to meet rigorous standard specifications, our swirl flap kit strictly follows factory quality control. This adherence ensures reliable and consistent performance, providing peace of mind for discerning car owners. Secure Fit and Functionality Once installed, the rotating flap motor housing is securely filled, holding the package in place. This secure fit ensures that your engine operates efficiently, without the risk of dislodgment or malfunction. Upgrade your BMW E90 or E91 with our Premium Swirl Flap Kit and experience the benefits of enhanced engine performance and reliability. Designed for durability and ease of use, it is the ideal solution for maintaining your vehicle's optimal functionality. Equip your car with the quality it deserves today!