BMW X3 SERIES E83 LCI Cable Alternator Starter Base B 3419273

BMW X3 SERIES E83 LCI Cable Alternator Starter Base B is an original cable from the Cables, Harnesses, and Connectors group, designed for the alternator and starter system in the facelifted BMW X3 E83 model. This component ensures a stable electrical connection of key drive components, which translates to reliable starting and proper battery charging in your BMW.

Specifications and technical data

• SKU: 3419273
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3419274
• Substitutable numbers: 3419273, 12513419273, 3419274
• Category: Wiring Harnesses, Cables & Connectors

Cable Purpose and Function

The alternator and starter cable in the BMW X3 E83 LCI is responsible for safely transferring electrical energy between the battery, starter, and alternator. A properly selected component:

• ensures stable flow of starting current,
• minimizes voltage drops in the system,
• reduces the risk of overheating connections,
• supports the correct operation of the charging system.

By using an original BMW component, the correct electrical characteristics of the cable and compliance with the factory installation architecture are maintained.

Construction and Fit for BMW X3 E83 LCI

BMW X3 SERIES E83 LCI Cable Alternator Starter Base B has been specifically designed for the electrical system of the facelifted (LCI) version. This means that:

• the cable's geometry is adapted to the factory wiring harness routing in the engine bay,
• the connectors used are compatible with the original connection points,
• the conductor cross-section is selected for the current loads typical for the starter and alternator in this model.

This precise fit facilitates installation and allows for the preservation of the factory cable routing, which is important for both safety and subsequent serviceability.

Benefits of Using an Original BMW Cable

Using an original cable from the Cables, Harnesses, and Connectors category in the BMW X3 E83 LCI offers a range of practical benefits:

• maintaining electrical parameters consistent with the manufacturer's design,
• reducing the risk of failures related to overheating or loss of contact at connectors,
• easier system diagnostics due to factory wiring harness routing,
• no need for modifications or custom-made additional connections.

For the user, this means more predictable vehicle operation and a lower risk of starting or battery charging problems.

Item Condition and Service Application

The offered cable is a used part, sourced from disassembly, allowing for economical repair of the electrical system while maintaining original BMW quality. This type of component is particularly suitable for situations where:

• the existing cable has suffered mechanical or thermal damage,
• there are starting problems due to deteriorated connection condition,
• a section of the wiring harness needs replacement without interfering with other harnesses.

Choosing an original alternator and starter cable is especially important in vehicles operated in diverse conditions, where the stability of the electrical system directly impacts vehicle reliability.

Related Items and Additional Information

If you are modernizing or servicing the power and starting system in your BMW X3 and also need other cables, harnesses, or connectors dedicated to this brand, check the available parts in the BMW Cables, Harnesses, and Connectors category.

If you are interested in how properly selected used components can improve the handling characteristics and dynamics of premium segment cars, it is worth reading the article describing tuning and modifications for MINI models – you can find it here: MINI John Cooper Works – what sets it apart and how to upgrade your MINI?.