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Make sure this part fits

BMW 12311277248 Exchange Alternator

1969-1976 BMW 12-31-1-277-248

Customer Questions & Expert Answers (2)
BMW 12311277248 Exchange Alternator
  • Part Description
    Exchange Generator
  • Replaces
    12-31-1-364-407
  • Manufacturer
    BMW
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine BMW
    Manufacturer Part Number12311277248
    Part DescriptionExchange Generator
    Item Weight12.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12-31-1-364-407
    ManufacturerBMW
    SKU12311277248
    WarrantyThis genuine BMW part is guaranteed by BMW's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Submodel
    1969-1970 BMW 2500
    1969-1970 BMW 2800
    1969-1971 BMW 2800CS
    1971-1974 BMW 3.0CS
    1973-1974 BMW 3.0S
    1975-1976 BMW 3.0Si
    1972-1974 BMW Bavaria2.8L, 3.0L
  • Customer Questions & Expert Answers

    Q:
    Does PN fit the VIN? Posted by BMWPartsDeal Specialist
    A:
    You can Select Your Vehicle to check if 12311277248 fits your vehicle.
    Posted by BMWPartsDeal Specialist
    Q:
    What is the function and maintenance of an alternator on BMW 2500? Posted by Customer
    A:
    The alternator generates current for various electrical equipment and charges the battery while operating at all engine speeds, producing alternating current that is rectified to direct current by diodes in the casing. It is driven by a belt from the crankshaft pulley and requires minimal maintenance, primarily checking belt tension and the condition of wiring connections, while keeping the exterior clean, especially around ventilation holes. The alternator should never operate with a disconnected battery or reversed battery cables, and connections must be made carefully; disconnection is necessary before any electric welding on the vehicle, and starting the engine with a battery charger connected is prohibited to avoid damage to components, particularly diodes. Designed for long-lasting service, any faults should be addressed by a qualified service station or through the installation of a reconditioned unit. To test the alternator's charging capability, one can switch on the headlamps after dark and start the engine; if charging occurs, the headlamps will brighten as system voltage increases. If not charging, wiring and connections should be inspected, and if the ignition warning light remains on while the engine runs, a simple electrical test can be performed by disconnecting the regulator unit and joining specific wire connectors; if the warning light goes out, the regulator is defective, otherwise, the alternator needs servicing. For removal, the battery negative cable must be disconnected, followed by the disconnection of the multiple plug and single cable from the alternator, noting the wire connections. The alternator mounting bolts should be loosened, allowing the unit to swing towards the engine to release the drive belt before removing the alternator. Reinstallation follows the reverse order, ensuring proper belt tension adjustment.
    Posted by BMWPartsDeal Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine BMW Part 12311277248, the Right Choice

To ensure reliability, purchase BMW part # 12311277248 Exchange Alternator. It is sometimes referred to as BMW Alternator. Genuine parts are first-rate in terms of quality and functionality. Manufactured directly by BMW, they undergo rigorous testing and are made from dependable materials to ensure long-lasting durability and dependability. This part fits 1969-1970 BMW 2500, 1969-1970 BMW 2800, 1969-1971 BMW 2800CS, 1972-1974 BMW Bavaria.

BMWPartsDeal.com is a leading supplier of genuine BMW parts and accessories such as BMW 12-31-1-277-248 Exchange Alternator. In need of brand new OEM BMW parts? Feel free to browse through our extensive catalog of genuine BMW parts, all priced at the most competitive rates in the market. Furthermore, every part comes with a manufacturer's warranty and a hassle-free return policy for your convenience.

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