BMW 1 3 Series E87 E90 116i 316i Engine Wiring Loom Harness 7545163 7549246

The BMW 1 and 3 Series Engine Wiring Harness is a component from the Cables, Harnesses, and Connectors category, designed for BMW 116i and 316i engines in E87 and E90 body styles. The original BMW design ensures proper routing of electrical signals between sensors, the control unit, and engine accessories, contributing to stable powertrain operation and easier diagnostics.

Specifications and technical data

• SKU: RHD-7549246
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7549246
• Substitutable numbers: 12517549246, 7549246, 12517545163 12517540096, 7545163 7540096
• Category: Wiring Harnesses, Cables & Connectors

Application and Compatibility

The presented engine wiring harness for BMW 1 and 3 Series has been specifically designed for the 1 Series E87 116i and 3 Series E90 316i models. It is responsible for connecting key engine accessory components to the vehicle's main wiring system, which is crucial for both proper engine operation and communication with diagnostic systems.

As a solution developed by the vehicle manufacturer, it maintains the correct wiring geometry, appropriate cable lengths, and connector compatibility with the factory sockets in the engine bay.

Engine Harness Construction and Function

This harness belongs to the group of components referred to as Cables, Harnesses, and Connectors, meaning it comprises a set of electrical wires along with factory connectors and branching points. Its construction is designed to withstand the demanding environment of the engine bay, characterized by elevated temperatures, vibrations, and exposure to contaminants.

The layout of the individual harness branches is tailored to the accessory configuration in the 116i and 316i engines, facilitating installation and minimizing the risk of incorrect connections. The connectors used are designed to interface with factory sensors and actuators, ensuring the full functionality of the engine control system.

Benefits of Using an Original BMW Harness

Using an original engine wiring harness for BMW E87 and E90 offers several practical advantages:

• Precise fit with the vehicle's factory electrical system,
• Maintained proper communication between the engine control unit and accessories,
• Reduced risk of issues with engine starting and operation,
• Easier fault diagnosis due to compliance with factory schematics.

This solution is particularly beneficial for repairs following mechanical or thermal damage to the wiring, as well as for restoring the vehicle to its factory specifications.

Product Characteristics and Condition

The offered BMW engine wiring harness is a used part, sourced from a dismantled vehicle. Such components can often significantly reduce repair costs compared to purchasing a new part, while maintaining original construction and compatibility with factory accessories.

The harness is intended for installation in place of the original component, without requiring modifications to the vehicle's wiring, provided it is selected in accordance with the technical documentation and the specific vehicle's specifications.

Selection and Additional Information

Before purchasing, it is recommended to compare the harness configuration with the currently installed part in your vehicle and verify compatibility with BMW service documentation. The product is assigned part numbers and interchangeable numbers, which facilitates matching it to a specific engine version and model year.

If you are looking for other BMW Cables, Harnesses, and Connectors, please check our store's selection of BMW Cables, Harnesses, and Connectors, where you will find a wide range of electrical system components for various models of this brand.

For more information on making informed choices between new and used parts, read our article Car Parts – New or Used? Comparing Costs, Quality, and Durability, which will help you assess when purchasing a used engine harness is a technically and economically sound solution.