This genuine parts list and diagram shows the Alternator assembly for a 1990 525i Base 6 cylinder 2.5 liter engine. All of these 525i Base Electrical parts ship directly to you from our dealership parts department.
The alternator is a small electrcial generator, which is powered by the engine in order to provide all the electronic systems in your BMW the power they need when the engine is running. If the alternator fails, the responsisbilty of running these systems relies on the battery, which it is not designed to do, and can cause the battery to fail, leaving your stranded.
No known discontinued parts in this assembly. If you believe a part is discontinued, feel free to notify/contact us