Alternators

An alternator is an essential component of a vehicle's electrical system. It's responsible for generating electricity to keep the battery charged and powering the vehicle's electrical components.

How to Spot Issues With Your Alternator

Like any mechanical component, alternators can fail over time. Here are some signs that your alternator may be failing:

  • Dimming headlights: When an alternator starts to fail, the lights may start to dim. This happens because the alternator is not generating enough electricity to power the electrical components.
  • Warning light: Most vehicles have a warning light on the dashboard that indicates when the alternator is not working correctly. If the light comes on, it's time to have the alternator checked.
  • Dead battery: If the alternator is not generating enough power, the battery may not get fully charged. This can result in a dead battery, especially if the vehicle is driven for short periods or left unused for extended periods.
  • Electrical problems: A failing alternator can cause a range of electrical problems, such as flickering dashboard lights, malfunctioning power windows, or a faulty radio.
  • Strange noises: Alternators are generally silent, but a failing alternator may produce noise. This can include a whining sound or a grinding noise.
  • Burning smell: A burning smell is never a good sign when it comes to vehicles. It could indicate a failing alternator, especially if it's accompanied by other signs of failure.

    Save When You Buy Your Genuine BMW Alternator From Our Online Parts Store

    If you notice any of the above signs, it's essential to have your alternator checked since a failing alternator can cause significant problems and even leave you stranded on the side of the road. If you do need to replace your alternator, get the right one for your vehicle. BMW makes theirs to fit their models, providing you with a guaranteed compatibility that you can trust. Buy no and we'll ship your order right out!

    11287631817 - : Serpentine Belt for BMW Image

    Serpentine Belt

    $55.97
    MSRP $69.10
    Save $13.13
    19% Off
    11287833264 - : Serpentine Belt for BMW Image

    Serpentine Belt

    740i, 740iL. 4.0 & 4.4L. M5. 540i 1997. 540i 1998-03. 840Ci. Routing:Crk,Tens,Wp,Idler,Alt,Ps. 7k x 1629mm. Alternator, Water Pump and...
    $67.13
    MSRP $86.07
    Save $18.94
    22% Off
    11287604937 - : Serpentine Belt for BMW Image

    Serpentine Belt

    Hybrid 5. 3.0L. ActiveHybrid 7. With hybrid. Hybrid 3.
    $36.79
    MSRP $50.46
    Save $13.67
    27.1% Off
    11287843246 - : Serpentine Belt for BMW Image

    Serpentine Belt

    With m model. M5. 4.4L turbo, with M6.
    $48.18
    MSRP $66.09
    Save $17.91
    27.1% Off
    12427584685 - : Battery Cable for BMW Image

    Battery Cable

    Positive. Location-Trunk. Battery to Junction.
    $98.93
    MSRP $108.71
    Save $9.78
    9% Off
    12311719992 - : Power Steering Pump Adjust Bracket for BMW Image

    Power Steering Pump Adjust Bracket

    325, 325e, 325i. 525i. Convert old style,.
    $45.50
    MSRP $46.81
    Save $1.31
    2.8% Off
    11288570646 - : Serpentine Belt for BMW Image

    Serpentine Belt

    X5. 3.0l. With diesel. 535d. With dynamic drive. 740ldxi.
    $45.99
    MSRP $63.09
    Save $17.10
    27.1% Off
    11287628661 - : Serpentine Belt for BMW Image

    Serpentine Belt

    $45.99
    MSRP $63.09
    Save $17.10
    27.1% Off
    11287520072 - : Power Steering Belt for BMW Image

    Power Steering Belt

    525i, 530i. Water pump & alt. With dynamic drive.
    $55.97
    MSRP $69.10
    Save $13.13
    19% Off
    12528583524 - : Cable Retainer Nut for BMW Image

    Cable Retainer Nut

    3.0L. 2.0L, 2025-26.
    $2.23
    MSRP $2.58
    Save $0.35
    13.6% Off
    12317507996 - : Pulley O-Ring for BMW Image

    Pulley O-Ring

    4.4L 2002-03, 6.0L. 1999-01. 4.4, 4.6 & 4.8L. Water cooled, 540i.
    $19.35
    MSRP $26.54
    Save $7.19
    27.1% Off
    12427585241 - : Battery Cable for BMW Image

    Battery Cable

    Positive. 3.0 gas & 4.8L, 3.0L.
    $30.67
    MSRP $30.70
    Save $0.03
    0.1% Off

    No results found for "alternators". Here are some helpful search tips:

    • Search by a part name. Example: water pump.
    • Be less specific. Example: brake instead of ceramic brake.
    • Remove information such as make, year or model.
    • Can't find the part you are looking for? Contact us and we'll find it for you!