Description This is a replacement radiator cap designed to fit various classic BMW models including E23 7 Series, E24 6 Series, E28 5 Series, and E30 3 Series. It ensures proper cooling system pressure and prevents coolant loss, maintaining optimal engine temperature. Reference Number: 17114379047. Features – Designed to maintain proper cooling system pressure – Helps prevent coolant loss and engine overheating – Direct replacement for the original radiator cap – Easy to install without special tools – Durable construction for long service life Specifications – Reference Number: 17114379047 – Material: Plastic and metal construction – Weight: 150 g – Dimensions: 10 x 10 x 8 cm – Color: Black Compatible With Suitable for BMW E23 7 Series 1977-1986 Suitable for BMW E24 6 Series 1976-1989 Suitable for BMW E28 5 Series 1981-1988 Suitable for BMW E30 3 Series 1982-1994 Package Include 1 x Radiator Cap All trademarks mentioned are the property of their respective owners and are used for identification purposes only