BMW Z4 Series E85 E86 Cover Trim Base B+ 7514344

The BMW Z4 E85 E86 Plus Terminal Cover is an original electrical system component designed for BMW Z4 models of the E85 and E86 generations. The cover protects the positive battery terminal, ensuring organized cable routing and stable shielding of a critical power point. Thanks to its factory design, the element precisely fits the original mounting points in the engine bay or trunk, depending on the vehicle version.

Specifications and technical data

• SKU: 7514344
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7514344
• Substitutable numbers: 7514344, 12427514344
• Category: Other Interior Parts & Accessories

Purpose and Function of the Component

The plus terminal cover in the BMW Z4 E85/E86 is responsible for the mechanical protection of the positive connection and reducing the risk of accidental short circuits. The cover separates the power cables from other body and equipment components, which is important for both operational safety and the durability of the electrical system.

Using the original cover is particularly important in vehicles with compact layouts, such as the Z4, where space around the battery and high-current cables is limited. A properly fitted cover helps maintain the factory routing of wiring harnesses and facilitates servicing of the electrical system.

Construction and Fit for BMW Z4 E85/E86

The cover has been specifically designed for the electrical architecture of the BMW Z4 E85 and E86, which translates to:

• appropriately shaped geometry for adherence to the plus terminal,
• adaptation for factory routing of power cables,
• compatibility with the original brackets and clips in the specific model.

This ensures a predictable installation process that does not require modifications to the system. Original BMW origin means adherence to manufacturer standards in terms of dimensions, tolerances, and mounting methods.

Benefits of Using the Original Plus Terminal Cover

Using a dedicated plus terminal cover for the BMW Z4 E85/E86 offers a range of practical benefits:

• increased protection of the positive connection against accidental contact with metal parts,
• organized routing of power cables around the battery,
• maintenance of the factory safety standard for the electrical system,
• easier identification and access to the power point during service work.

An element from this group is particularly useful when restoring a car to a factory-like condition after accident repairs, modifications, or when components are missing in the battery compartment. Consistency with the original BMW design helps avoid makeshift solutions that can reduce system reliability.

Condition, Origin, and Service Application

The plus terminal cover is a used part, sourced from disassembly, and is an original BMW component. Such components are often used in professional workshops and by discerning owners who prefer factory solutions over universal aftermarket parts. A used part helps maintain compliance with service documentation and electrical system schematics for the specific model.

Before installation, a standard visual inspection and fitting to the specific vehicle equipment version are recommended, in accordance with manufacturer markings and BMW technical documentation. A correctly fitted cover helps maintain clarity around the power supply and minimizes the risk of improper cable routing.

Related Categories and Technical Materials

If you are assembling other covers, brackets, or small electrical system components for your BMW and want to maintain consistency with factory solutions, check the available parts in the Other BMW category.

To compare solutions used in different brands and segments, and to better understand the design differences in powertrains and their associated systems, you can read an article describing sporty Audi versions – Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which illustrates how manufacturers design components for specific loads and operating characteristics.