BMW 3 Series E90 E91 318i N46 Wiring Harness Engine Gearbox Manual 7572362

BMW 3 Series E90 E91 318i N46 Wiring Harness Engine Gearbox Manual is an original component from the Cables, harnesses and connectors group, designed for the precise connection of engine accessories and the manual transmission in this model. This used OEM part ensures factory-standard signal and power routing, facilitating diagnostics, servicing, and stable operation of the powertrain.

Specifications and technical data

• SKU: rhd-7572362
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7572362
• Substitutable numbers: 12517572362, 7572362, EM
• Gearbox type: Manual
• Category: Wiring Harnesses, Cables & Connectors

Application and function in the BMW 3 Series 318i N46

The presented harness is designed for the engine bay and transmission area of the BMW 3 Series E90/E91 generation with the N46 engine and manual transmission. It is responsible for connecting sensors, actuators, and control units related to the drivetrain, enabling proper communication between the engine, gearbox, and vehicle electronics.

Thanks to its factory-fit for the specific drivetrain configuration, the harness maintains the original cable routing, correct mounting points, and proper segment lengths, which minimizes the risk of chafing, looseness, and signal interference.

Construction and benefits of using an original harness

The engine and manual transmission harness in this BMW model includes a set of wires, connectors, and branches prepared for factory sensor sockets and accessories. Using the original design ensures:

• a secure electrical connection with the engine control unit and accessory components,
• compliance with the factory installation diagram for the manual transmission version,
• easier servicing and diagnostics thanks to the predictable cable layout,
• reduced risk of assembly errors compared to modifications of universal installations.

Choosing an original harness from the Cables, harnesses and connectors group is particularly important for post-collision repairs, engine or transmission replacements, and when restoring a vehicle to its factory configuration after previous modifications.

Condition, fitment, and installation

The offered harness is a used part, sourced from disassembly, which allows for maintaining compliance with BMW factory specifications. Before installation, a standard inspection of connectors, insulation, and mounting points is recommended to ensure the installation is mounted safely and durably.

Thanks to the retention of original terminals and branches, installation in a BMW 3 Series E90/E91 318i N46 with a manual transmission is close to plug-and-play – without the need to modify cable lengths or change connector types, provided the vehicle matches the same drivetrain configuration.

Who is this engine and manual transmission harness for?

This component will be particularly useful for:

• workshops specializing in servicing the BMW 3 Series E90/E91 generation,
• individuals replacing the complete powertrain in a 318i N46 version with a manual transmission,
• users restoring the electrical installation to factory condition after mechanical damage or unprofessional modifications.

Using an original harness reduces diagnostic time, facilitates work with service documentation, and increases the predictability of the drivetrain's operation.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional harnesses, signal cables, or installation connectors, check the available parts in the BMW cables, harnesses and connectors category.

If you are working on the braking system in parallel and are considering purchasing used components, you will find useful tips on the safe selection of such elements in the article Second-hand braking system: how to safely select discs, calipers, and ABS?.