As a recognized expert in Electrical Systems since 1923, Valeo is a top supplier of original equipment New Premium Alternator Replacements in the world. As a leader in innovation, Valeo's New Premium Alternator Replacements eliminates voltage drop and boosts fuel economy. All Valeo New Premium Alternator Replacements are 100% new products, not re-manufactured, eliminating premature failures for increased durability. All components are application specific to ensure a perfect fit and function every time. For better efficiency, the premium rare earth magnets increase the output of the New Premium Alternator Replacement without increasing the size. To ensure reliability, all applications go under extreme condition testing up to 6 months under the harshest conditions and electrical demands. The New Premium Alternator Replacement has a high resistance to heat, vibration, and contaminating particles helping maintain a maximum charge output. Fits: BMW 128i (2008-2013), BMW 528i (2008-2010), BMW 528xi (2008), BMW 328i xDrive (2009-2013), BMW 328i (2007-2013), BMW X3 (2007-2010), BMW 328xi (2007-2008), BMW X5 (2007-2010), BMW 528i xDrive (2009-2010), BMW 530xi (2006-2007), BMW 525xi (2006-2007), BMW 330i (2006), BMW 530i (2006-2007), BMW 525i (2006-2007)