Part number 12311730634 is a brand new, unused Genuine BMW part. 12311730634 is part of your BMW's engine electrical system. Alternators and related components are tsked with providing enough current to operate all vehicle electrical systems while the engine is running as well as maintaining the battery charge. Alternators are a part that usually fails unexpectedly.
Genuine BMW parts are typically available at BMW dealerships. These parts are used to service BMW’s at your local BMW dealer and are the same parts that you can order and purchase at your local BMW dealer parts department. Genuine BMW parts are manufactured for BMW by some of the leading OE suppliers such as Bosch, VDO, ATE, and Hella. You can be assured that a part is Genuine based on a BMW stamping near the part number on the part itself.
Since 1986 FCP Euro has been provided high quality OEM and Genuine replacement car parts for European cars. With nearly 500,000 products in it’s online parts catalog, FCP is the leading source for hard to find replacement parts.
Unlike many other automotive retailers that have special rules and limited return policy, FCP Euro offers unlimited hassle free returns, free shipping on orders over $49, and a industry leading lifetime warranty on all parts that they sell.