BMW 3 Z4 Series E46 E85 E86 Battery Positive Cable Fuse Box B Base 8387546

BMW Z4 E46 E85 E86 Battery Fuse Box is an original BMW electrical system component designed to protect the vehicle's main power circuit. The used BMW battery fuse box ensures a factory fit, robust current connections, and stable operation of the starting and power supply system. It's a practical solution for drivers looking to restore proper system functionality while maintaining cost-effective servicing.

Specifications and technical data

• SKU: 8387546
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8387546
• Substitutable numbers: 61138387546, 8387546, 61138387547, 8387547
• Category: Fuses & Fuse Boxes

Purpose and Function in BMW Electrical Systems

The battery fuse box in BMW Z4 and 3 Series E46 models is responsible for protecting the main power cable and distributing current to key consumers. This component is mounted directly to the battery and serves as a crucial point of protection against overloads and short circuits in the high-current system.

Using an original BMW fuse box helps maintain correct electrical parameters and compliance with factory service documentation, which facilitates diagnostics and potential future repairs.

Construction and Technical Advantages

The offered BMW battery fuse box belongs to the category of Fuses and Fuse Boxes, meaning it is specifically designed to operate in the demanding environment of the trunk or battery mounting area. The construction includes:

• stable mounting for high-gauge power cables,
• integrated sockets for high-current fuse links,
• appropriately sized current paths,
• a housing adapted to vehicle operating conditions.

Thanks to this, the component ensures safe distribution of electrical energy and reduces the risk of damage to other components in case of a failure.

Benefits of Using an Original BMW Fuse Box

Choosing an original BMW battery fuse box primarily offers:

• factory fit for the electrical system of specific BMW models,
• preservation of the manufacturer's original protection concept,
• correct interaction with the wiring harness and ground points,
• reduced risk of connection overheating due to appropriate contact geometry.

A used OEM part allows for economical repair while maintaining original build quality and compliance with factory safety standards.

Condition and Service Application

The offered BMW battery fuse box is a used part from a dismantled vehicle and is intended as a replacement part for electrical system repairs. It is a good solution in situations where the previously installed component has experienced overheating, casing melting, mechanical damage, or contact corrosion.

Using this component helps restore stable power to main circuits and improves the reliability of starting and the operation of high-current consumers such as the starter motor or comfort systems.

Related Products and Additional Information

If you are looking for other BMW Fuses and Fuse Boxes for your car, check out our dedicated offer: BMW fuses and fuse boxes. This will help you easily select electrical system components tailored to your specific model and equipment version.

When planning comprehensive vehicle servicing, it is also worth ensuring the cooling system is in good working order. You can find more practical tips in the guide: Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings, which describes how to optimally combine savings with maintaining your car's condition.