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Alternator 140/150A for BMW 3 Series E91 330i (2007)

This Alternator 140/150A technical drawing provides a detailed breakdown of the assembly for the 3 Series E91 330i. It includes part names, part numbers and all associated mounting hardware for vehicles produced between 2007.

Alternator 140/150A
No. Description Supp. Qty  From   Up To  Part Number Price Notes
  i Please determine the installed
alternator
independently or via diagnosis.
01 RP alternator 185A 1 12317521178 $741.16 +core Shop at ECS Tuning
only in conjunction with
-- Set of alu. screws generator 1 12310392568 $9.63 Shop at ECS Tuning
Attention!
Aluminum screws may only be used once.
For additional information, refer to the
repair manual!
Notes
  • +core = plus core charge (possibility of a return of the old part)

See Also

Frequently Asked Questions

What assembly is shown in the BMW 3 Series E91 330i Alternator 140/150A?
This technical diagram illustrates the Alternator 140/150A within the Engine electrical system group for the 3 Series E91 330i produced during 2007. It provides a detailed exploded view of the components, identifying key parts such as the RP alternator (Part #12317521178).
Which models use the hardware listed in this Alternator 140/150A?
The hardware and components featured in the Alternator 140/150A are specific to the 3 Series E91 330i produced during 2007. These technical specifications ensure that parts like the RP alternator (12317521178) are correctly matched to the vehicle's structural and mechanical requirements.
How do I find specific parts within the Alternator 140/150A assembly?
Each item in the Alternator 140/150A corresponds to the numbered list below the illustration. For the 3 Series E91 330i, you can identify the RP alternator by locating its position on the schematic, which then links to the official BMW part number 12317521178 for the Engine electrical system section.