Engine Wiring BMW F80 M3 F82 F83 M4 S55 Loom Module Harness Cable 7848467

The BMW F80 M3 F82 F83 M4 Engine Wiring Harness is an original part from the Wires, Harnesses, and Connectors category, designed for sporty BMW M models. It allows for the preservation of the original electrical architecture of the powertrain, ensuring stable engine operation and proper communication with the vehicle's electronics. This is a solution for users who expect a precise fit and compliance with factory BMW standards.

Specifications and technical data

• SKU: 7848467
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7848467
• Substitutable numbers: 7848467, 12517848467, 7854405
• Category: Wiring Harnesses, Cables & Connectors

Intended Use and Fitment for BMW M3 / M4

The BMW F80 M3 F82 F83 M4 Engine Wiring Harness has been specifically designed to meet the requirements of the powertrains used in these models. It is responsible for connecting sensors, actuators, and the engine control unit, ensuring the drivetrain maintains full functionality as intended by the manufacturer.

Choosing the correct harness is crucial for:

• replacing a damaged engine harness after a failure or collision,
• swapping the powertrain between F80, F82, and F83 body styles,
• restoring the original electrical configuration in modified vehicles.

Construction and Role in the Engine's Electrical System

This component belongs to the Wires, Harnesses, and Connectors group, responsible for the physical connection of all key engine components. The harness construction includes a set of wires with appropriately selected cross-sections and factory connectors matched to the sockets on the engine's accessories and the control unit.

A harness configured in this way ensures:

• stable power supply to engine components,
• reliable signal transmission from sensors to the control unit,
• proper cooperation with the factory BMW software.

Benefits of Using an Original BMW Harness

Using an original engine wiring harness in M3 and M4 models helps maintain the integrity of the entire electrical system. Factory connectors and wire lengths minimize the risk of strain, chafing, and electrical contact issues that often arise with aftermarket solutions.

Key benefits include:

• compatibility with the factory control unit and engine accessories,
• organized wire routing consistent with original paths in the engine bay,
• reduced risk of diagnostic errors resulting from incorrect connections.

Condition, Verification, and Service Application

This product is a used OEM BMW part sourced from disassembly, offering an attractive service solution for vehicles with high mileage or those involved in accident repairs. This type of harness is suitable for both professional workshops specializing in the BMW brand and for knowledgeable users assembling engine components themselves.

To maximize the potential of used parts, it is advisable to familiarize yourself with practical tips on maintenance and operation, as described in the article How to Extend the Lifespan of Used Car Parts?.

Complementing BMW Wire and Harness Offerings

If you also need other components from the wires and harness category for this brand, check out the BMW Wires, Harnesses, and Connectors available in our assortment to complete your set of electrical components tailored to your vehicle.