Subject: Expansion tank OE number: 17137542986 17137519219 17137521189 NOTE! The above numbers are the numbers of original parts for which the item in this offer is a replacement. Before purchasing, you must compare them with the number of the original part being replaced. If they differ by even one character, this part will not fit or will not work, or will not work correctly. In such a case, you should not buy it. Car: BMW 5 E60 / E61 BMW 6 E63 / E64 Year of manufacture: 2003-2010 Manufacturer: replacement Technical condition: the item is brand new, unused, undamaged and undestroyed Note! with coolant level sensor