BMW 1 3 E87 E90 E91 M47N2 Engine Injector Module Wiring Harness Cable 7796828

BMW 1 3 E87 E90 E91 M47N2 Engine Injector Module Wiring Harness Cable is an original electrical system component designed for precise control of injector operation in a diesel engine. As part of the Wires, harnesses, and connectors group, it ensures a stable connection between the control module and the injectors, which translates into smooth engine operation and correct communication with the vehicle's electronics. This solution is dedicated to users who expect compatibility with the factory system and want to maintain the integrity of the BMW electrical installation.

Specifications and technical data

• SKU: rhd-7796828
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7796828
• Substitutable numbers: 118d, 120d, 318d, 320d, 12517796828, 7796828, 12517790591, 7790591, 12517795897, 7795897, 12517795901, 7795901, EM
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the engine system

The presented wiring harness is an element of the electrical system responsible for transmitting control signals to the injectors in the M47N2 engine used in BMW 1 and 3 series. The appropriate design of the connector and cable routing allows for correct seating in the engine compartment, maintaining factory mounting points and cable paths. As a result, the injection system maintains proper operating parameters, and the engine controller can consistently control the fuel dose.

Construction and technical features of the harness

The harness belongs to the Wires, harnesses, and connectors group, which means it has been designed for resistance to conditions in the engine compartment – temperature changes, vibrations, and contact with typical operating fluids. The connectors used are matched to the factory injector sockets and the control module, which facilitates installation and reduces the risk of loose contacts.

The arrangement of the wires in the harness is adapted to the geometry of the M47N2 unit, which helps avoid mechanical stress and accidental rubbing against engine components. Such a configuration promotes stable operation of the injection system and reduces the risk of insulation abrasion over the long term.

Benefits of using an original BMW harness

Using an original injector wiring harness in the M47N2 engine allows for maintaining consistency with the vehicle's factory electrical architecture. Key advantages include:

• secure fit to the serial control module and injectors,
• preservation of factory cable routing in the engine compartment,
• reduced risk of errors related to improper electrical contact,
• easier diagnostics during subsequent injection system inspections.

For users who want to maintain proper engine unit operation and avoid problems with engine controller communication, the original injector harness is a practical service solution.

Component condition and installation recommendations

The offered harness is a used item, which in practice means that before installation, it is worth verifying the condition of the insulation, connectors, and any mounting points according to the individual requirements of the vehicle. Installation by a person with experience in electrical systems in BMW diesel engines is recommended to ensure correct cable routing, proper latching of connectors, and to avoid mechanical stress.

When replacing the harness, it is also worth checking the injection system itself and the control module to ensure that all components work together in accordance with the manufacturer's specifications.

Service expansion and additional materials

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, connectors, or cable sections, check the available parts in the BMW Wires, harnesses, and connectors category.

For users interested in a broader context of servicing BMW diesel units, including issues related to the durability of engine accessories and the cost-effectiveness of using used parts, an article describing typical timing chain problems in newer designs may be helpful – more information can be found in the material BMW N47 timing chain – typical failure and repair using original BMW parts.

Summary

BMW 1 3 E87 E90 E91 M47N2 Engine Injector Module Wiring Harness Cable is an original electrical system component designed to work with the factory injection system and engine controller. Thanks to its fitment for a specific engine unit and a well-thought-out design of wires and connectors, it is a functional solution for workshops and users who want to restore the proper operation of the injection system while maintaining BMW manufacturer standards.