General description The Engine Coolant Thermostat and Housing Assembly is designed for BMW models including E46, E39, X5, X3, Z3, Z4, 330i, 525i, and 530i. It effectively controls engine temperature, ensuring high reliability and performance while being durable and long-lasting. The assembly is easy to install and is perfectly matched to the vehicle. Technical specifications Part Number: 11531437040 Color: Black Material: Plastic + Metal Fitment: E46, E39, X5, X3, Z3, Z4, 330i, 525i, 530i, 325i Measurement allowed error: +/- 1-3 cm Other information Package Contents: 1 x Engine Coolant Thermostat Housing Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.