Product Description: High-Quality Engine Thermostat for BMW Models Optimize Your Vehicles Cooling System with Our Durable Engine Coolant Thermostat Fitment: This engine thermostat is a perfect replacement for the following BMW models: 228i (20142016) 320i (20132016) 328i GT (20142016) X1 (20132015) Ensure compatibility with your specific vehicle to guarantee a perfect fit and optimal performance. OE Number: The reference part numbers for this engine thermostat are 11538635689, 11538648791, 11 53 8 648 791, 11 53 7 633 476, 11537633476, and TM25103. Please verify these numbers with your existing component for accurate fitment. Durable Construction: Specifically designed to withstand extreme temperature changes, this engine thermostat is built to resist cracking and leaking, ensuring long-lasting reliability and performance in your vehicles cooling system. High Performance: Engineered for high cooling efficiency, this petrol engine cooling thermostat enhances your engine's operating conditions by maintaining optimal temperature levels, thereby improving overall performance and efficiency. Premium Material: Made from high-quality ABS plastic, this engine coolant thermostat offers excellent impact and high-temperature resistance. Its robust construction ensures that it is not prone to cracking, providing durability and stability over time. Upgrade your BMW with this premium engine thermostat. Combining superior materials, precise engineering, and exceptional performance, it is an essential component for maintaining and enhancing your vehicles engine cooling system.