NEW ENGINE COOLING FAN ASSEMBLY This is a listing for a brand new replacement Engine Cooling Fan Assembly(Engine Cooling Fan Assembly) UAC is the premier aftermarket brand in the industry with over 30 years of experience. Applications: 2004-2010 BMW X3 2.5L 400 Watt Connector; 2004-2010 BMW X3 3.0L 400 Watt Connector; OEM and Competitor Interchange: Technical Specifications:.