BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312

BMW 3 Series E46 Relay Control Unit Module Bracket Holder is a practical electrical system component that organizes and stabilizes the relay layout in the vehicle's compartment. Thanks to its factory BMW design, it ensures secure mounting, protection against external factors, and a clear arrangement of components. This used OEM part is a sensible choice for repairs when you value proven fitment and correct mounting geometry.

Specifications and technical data

• SKU: 8371312
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 61358371312
• Substitutable numbers: 61358371312, 8371312
• Category: Other Starters, Alternators, ECUs & Wiring

Function and application of the relay housing

The presented relay housing and bracket is designed for BMW E46 and E83 series models, where it is responsible for the orderly routing and stable seating of relays in their designated location. A properly selected housing:

• provides mechanical protection for relays against vibrations and displacement,
• facilitates service and diagnostics of the electrical system,
• reduces the risk of damage to wiring harnesses and connectors,
• maintains the factory layout of components in the vehicle's compartment.

By maintaining the original mounting geometry, this component allows for installation without modifications, while preserving the correct routing of wires and relays.

Benefits of using an original BMW housing

Using an original relay housing in a BMW E46 and E83 translates into a number of practical advantages in daily operation:

• Factory fitment – mounting holes and attachment points correspond to the original points on the body, which facilitates installation and eliminates stress.
• Stable wiring routing – relays and harnesses remain in the position intended by the manufacturer, which promotes system reliability.
• Easier diagnostics – an organized layout of components allows for faster localization of a specific relay during service work.
• Consistency with other compartment elements – the original spatial layout is maintained, which is important for other repairs and modifications.

Characteristics of the used component

The housing comes from disassembly, which means it is a used part, but still intended for further use. This type of solution allows you to:

• reduce repair costs compared to a new component,
• maintain the original manufacturer's specification,
• avoid fitment problems typical of universal aftermarket replacements.

Choosing a used OEM component is particularly beneficial for comprehensive electrical system repairs, where both proper fitment and a reasonable budget matter.

Practical installation tips

Before installing the relay housing in a BMW E46 or E83, it is worth paying attention to a few technical aspects:

• checking the condition of the mounting points on the body,
• verifying the arrangement of harnesses and connectors before finally tightening the component,
• checking the correct seating of relays in the sockets after mounting the housing.

Such an approach minimizes the risk of subsequent looseness, unwanted noises, and problems with access to electrical components during future inspections.

If you are planning a comprehensive repair or upgrade of the electrical system area in your BMW and need other components from the same group, such as additional brackets, covers, or harness mounts, check the available parts in the Other BMW category.

More about design differences in sports models

For those interested in comparing technical solutions used in different model versions, including sports variants, material discussing differences in engines, brakes, and chassis may be useful. We encourage you to read the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate the construction of individual versions and how this translates into the selection of appropriate spare parts.