Features: 1.OE Number: The referencing OE number of this alternator voltage regulator are 346088, 346033, 346089, 346032, 346024, which is molded and designed depend on the original data. 2.Fitment: The voltage regulator rectifier is a replacement for 1 Series M 2011, for 128i 2008?2013, for 135i 2008?2010, for 328i 2007?2011, for 335i 2007?2010. 3.Improve Engine Power: The rectifier can provide stable voltage, directly improve the performance of low speed torsion of vehicles, enhance engine power, increase speed. 4.Energy Saving: The regulator can improve ignition efficiency, make fuel combustion more adequate, improve fuel efficiency, and reduce the use of vehicle fuel consumption. 5.Easy Installation: Easy to install, no modification, cutting, or drilling required. It adopts original standard, which is a good replacement and can perfectly match to your car. Specification: Item Type: Alternator Voltage Regulator_x000D_ OE Number: 346088, 346033, 346089, 346032, 346024_x000D_ _x000D_ Material: ABS, aluminium alloy_x000D_ Fitment:_x000D_ Fits for 1 Series M 2011_x000D_ Fits for 128i 2008 - 2013 N52 Engine Only_x000D_ Fits for 135i 2008 - 2010_x000D_ Fits for 328i 2007 - 2011_x000D_ Fits for 328i Convertible 2012 - 2013_x000D_ Fits for 328i Coupe 2012 - 2013_x000D_ Fits for 328i Wagon 2012_x000D_ Fits for 328i 2009 - 2012_x000D_ Fits for 328i Coupe 2013_x000D_ Fits for 328xi 2007 - 2008_x000D_ Fits for 335i 2007 - 2010_x000D_ Fits for 335is 2011 - 2013_x000D_ Fits for 335xi 2007 - 2008_x000D_ Fits for 528i 2008 - 2010_x000D_ Fits for 528xi 2008_x000D_ Fits for 535i 2008 - 2010_x000D_ Fits for 535xi 2008_x000D_ Fits for X3 2007 - 2010_x000D_ Fits for X5 3.0si 2007 - 2008_x000D_ Fits for X5 30i 2009 - 2010 PackageList: 1 x Regulator Note: Please double check the part number of your item, matching information is for reference only._x000D_ If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!