For BMW 5 Series E39 520i 523i 525i 525tds 528i 530i 1995-2003. For BMW 5 Series E60/E61 520i 523i 525i 530i 2005-2007. For BMW X5 Series E53 30i 2000-2006. It often suffers from overflow issues that cause power steering fluid to seep into the engine bay.
