BMW E46 318i 318Ci N46 Engine Wiring Harness Module Petrol Manual 7540370

BMW E46 318i 318Ci N46 Engine Wiring Harness Module is an original electrical installation module designed for the N46 unit in petrol versions with a manual transmission. The item belongs to the Wires, harnesses and connectors group and is a key component responsible for a stable connection of sensors, accessories, and engine control. This used OEM part allows for maintaining the factory installation logic without the need for vehicle wiring modifications.

Specifications and technical data

• SKU: rhd-7555996
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7555996
• Substitutable numbers: 12517555996, 7555996, 12517533313, 7533313, 12517540370, 7540370, KZ
• Fuel type: Petrol
• Gearbox type: Manual
• Category: Wiring Harnesses, Cables & Connectors

Application and compatibility

The presented harness is intended for BMW 3 Series E46 models in 318i and 318Ci versions equipped with the N46 engine. The design is prepared for use with a petrol engine and a manual transmission, ensuring compatibility with the factory control of the powertrain and accessories.

By maintaining the original connector architecture and wire routing, the harness allows for restoring proper communication between sensors, the engine control module, and other powertrain components without the need to adapt universal solutions.

Construction and technical function

The engine harness includes a set of wires and connectors responsible for transmitting measurement, control, and power signals within the engine bay. The layout of the connectors is matched to the specific configuration of the N46 unit, which facilitates proper wire routing and minimizes the risk of mechanical stress.

The modular design of the harness allows for quick connection of individual sensors and actuators, such as engine accessory elements or engine control components. The use of original connectors ensures proper locking in the sockets and adequate protection of the contacts against external factors.

Benefits of using an original harness

• Factory fitment for the N46 engine in BMW E46 318i / 318Ci.
• Restoration of proper electrical communication in the powertrain.
• Reduction of the risk of installation errors typical for universal solutions.
• Consistency with the factory control of the petrol engine and manual transmission.

The use of an original harness from the Wires, harnesses and connectors group is particularly important in cases of unstable engine operation, sensor communication errors, or mechanical damage to wires in the engine bay.

Condition and service purpose

The offered item is used, making it an attractive service solution for repairing or restoring the engine's electrical installation while maintaining reasonable costs. The harness will work well both for replacing a damaged section of the installation and for a comprehensive rebuild of the powertrain's electrical system after a collision or unauthorized interference with the installation.

Expanding the electrical system in BMW

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional harnesses, sensor wires, or module connectors, check out the available parts in the BMW Wires, harnesses and connectors category.

More practical information on how to effectively use used components for body repairs and other systems can be found in the article Replacing body parts with used ones – can salvaged body parts look like new?, which helps in consciously planning the purchase of salvaged parts for popular BMW models.