BMW Genuine Radiator Drain Plug

• By using Genuine BMW Parts, you can be assured that your vehicle will be restored to the same exacting standards as originaland a perfect fit every time.
• Original BMW Radiators must pass grueling test series under extreme conditions - in summer and in winter - in order to reliably guarantee a high level of performance.
• Because just like every Original BMW Part, radiators are also designed for high-performance.

Represented by part number 2 in the diagram.