Alternator - Bosch - 180 Amp - 12317558220 (AL0850X) for N54 335/135i/535i

This is a Genuine BOSCH rebuilt 180 Amp alternator for N54 twin-turbo powered BMW models. 

Price includes refundable $150 core charge. Upon receipt and approval of your rebuild-able used core, a refund in the amount of the core charge will be refunded to you. Please note the amount of this core charge is subject to change without warning. At the time of last update, the core charge was $150.

A core charge applies to this purchase. The supply of original parts for rebuilding keeps the final purchase price low. The core must match the part that was supplied in terms of fitment, type, application, accessories, and hardware. Damaged or modified cores will not receive a refund. A core charge can only be refunded once the core has been inspected and approved. Click here for our Core Policy.

The core return process is optional, but can be a great way to lower the cost of your expensive alternator replacement. 

This alternator fits all N54 twin-turbo models including 2007-2010 335i * 335xi (E90/E92/E93), 2011 335is, 2008-2010 135i (E82/E88) and 2008-2009 535i / 535xi (E60)