BMW F20 F21 LCI Light in Trunk Lid Left N/S Rear Lamp Wire Harness Cable 7359019

BMW F20 F21 LCI Light in Trunk Lid Left N/S Rear Lamp Wire Harness Cable is an original electrical installation component designed to support the rear lamp on the left side of the trunk lid. Thanks to its factory design, it ensures a proper electrical connection between the lamp and the vehicle's wiring, which translates into stable lighting performance. This is a practical solution for post-collision repairs, trunk lid replacements, or damage to the factory wiring harness.

Specifications and technical data

• SKU: 7359019-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7359019
• Substitutable numbers: 63217359019, 7359019, PK
• Location on the vehicle: Rear, Left
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the wiring harness

The presented wiring harness is dedicated to the BMW 1 Series F20/F21 generation models after the facelift (LCI) and is responsible for power supply and control signals for the rear lamp located on the left side of the trunk lid. Proper wire routing and factory connectors enable seamless integration with the original installation, without the need for modifications or soldering.

The placement on the vehicle in the rear, left part of the trunk lid allows for precise fitting to the factory mounting points and grommets, which limits the risk of wire abrasion and moisture-related issues.

Construction and electrical compatibility

The wiring harness has been designed as an OEM component, ensuring compliance with BMW electrical installation parameters. Properly selected wire gauges, insulation colors, and connector types facilitate circuit identification during installation and diagnostics. Such a solution promotes stable operation of the rear lighting and correct interaction with the vehicle's control modules.

Using an original wiring harness is particularly important in cars equipped with advanced lighting control systems, where incorrect resistance or faulty connections can trigger error messages on the dashboard.

Service application and installation

The component is suitable for:

• replacing a damaged wiring harness after a rear-end collision,
• transferring the trunk lid between BMW F20/F21 LCI units,
• repairing lighting faults related to wire breakage or corrosion,
• restoring the factory configuration after previous, unprofessional installation modifications.

Thanks to the factory fitment, installation is limited to routing the harness through the original channels and plugging in the connectors, which reduces labor time and the risk of errors. Using this component allows for an economical repair while maintaining compliance with the manufacturer's solutions.

Benefits of using an original BMW wiring harness

Using an original wiring harness for the rear, left trunk lid lamp ensures:

• preservation of the factory lighting operation logic,
• proper cooperation with the vehicle's diagnostic systems,
• consistency with the rest of the electrical installation,
• reduction of the risk of failures resulting from unprofessional modifications.

For users who want to keep their car in a configuration close to the factory state, choosing this component is a practical and technically sound solution.

Related categories and technical materials

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

If you are interested in comparing technical solutions used in various sports models and want to better understand the differences in engine, brake, and chassis construction, check out the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses these issues in the context of our parts offer.

In the case of vehicle repairs where the availability of new components is limited, it is worth considering the use of verified dismantled parts – you can find more on this topic in the guide No parts at the dealership? How to deal with repairing older models using dismantled parts.