BMW X3 E83 LCI N47 Diesel Cable Alternator Starter Base B 3453587

BMW X3 E83 LCI N47 Diesel Cable Alternator Starter Base is an original electrical system component designed for BMW models with the N47 diesel engine. As part of the Cables, harnesses, and connectors group, it is responsible for a secure and stable connection between the alternator and the vehicle's electrical system, which translates into trouble-free battery charging and proper operation of electrical systems. This is a solution for users who expect compatibility with the factory BMW electrical architecture and want to avoid problems typical of low-quality replacements.

Specifications and technical data

• SKU: 3453587
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3453587
• Substitutable numbers: 12423453587, 3453587
• Fuel type: Diesel
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the electrical system

The alternator cable in the BMW X3 E83 LCI with the N47 diesel engine is a key element of the power supply circuit. It is responsible for the safe transfer of current from the alternator to the onboard electrical system, ensuring stable voltage for control units, comfort systems, and safety systems. The cable design is matched to the factory routing of the harness in the engine compartment, which limits the risk of chafing, overheating, and improper positioning.

Thanks to the preservation of the original geometry and mounting points, installation is orderly, without the need for modifications or the creation of additional brackets. This is particularly important in diesel engines, where space in the compartment is limited and cables are exposed to increased temperatures and vibrations.

Benefits of using an original BMW cable

Using an alternator cable dedicated to the BMW X3 E83 LCI N47 allows you to maintain the charging system's operating parameters in accordance with the manufacturer's specifications. In practice, this means:

• stable battery charging under various electrical loads,
• reduced risk of voltage drops and interference in the operation of control units,
• better resistance to thermal conditions typical of diesel engines,
• secure electrical connections thanks to matched connectors and terminals.

The component from the Cables, harnesses, and connectors group designed for a specific BMW model reduces the risk of incorrect cable cross-section, length, or connector type selection, which is a common problem with universal replacements.

Condition, origin, and fitment

The offered alternator cable is an original BMW part sourced from dismantling, which ensures compatibility with the vehicle's factory electrical installation. A used component of this type is often a reasonable economic choice, especially in the case of maintenance repairs, where it is crucial to maintain correct electrical and mechanical parameters at controlled service costs.

Before installation, it is recommended to perform a standard inspection of the insulation, terminals, and mounting points to ensure that the cable will be installed in a safe and durable manner. Proper routing in factory guides and brackets minimizes the risk of damage in the long term.

Support in selection by OEM number and VIN

The selection of an alternator cable for a specific version of the BMW X3 E83 LCI with an N47 engine should always be confirmed based on the OEM number and the vehicle's VIN to avoid errors resulting from equipment differences or production changes. If you want to check step-by-step how to properly verify part compatibility by numbers and parameters, use the advice contained in the article Guide: how to choose the right car part by VIN and OEM number.

If you are planning a comprehensive repair or upgrade of the electrical system area in your BMW and need other elements from the same group, such as power cables, engine harnesses, or service connectors, check the available parts in the category BMW cables, harnesses, and connectors.