BMW Z4 E85 Wire Cable Plug Wiring Socket Rear Lamp Light Left N/S 6984754

The left rear taillight socket wiring harness for BMW Z4 E85 is an original electrical component designed to service the driver's side rear lighting. Thanks to its factory fit for the Z4 E85 model, this dedicated rear taillight socket wiring ensures a secure electrical connection and stable mounting in the lamp housing. A used component from the Rear Lights & Brake Lights category offers a practical solution for post-collision repairs, replacing damaged wiring, or restoring full lighting functionality.

Specifications and technical data

• SKU: 6984754-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6984754
• Substitutable numbers: 6984754, 63217162729, 7162729
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and Function in the Lighting System

The presented rear taillight socket wiring harness is specifically designed for installation in the rear left section of the BMW Z4 E85 body. It is responsible for:

• supplying power to the position lights, brake lights, and other functions of the rear taillight,
• providing a stable mechanical connection between the bulb holder and the vehicle's electrical system,
• maintaining the correct wire order and polarity according to the factory BMW specification.

This ensures that the driver's side rear lighting system operates predictably and in compliance with road safety requirements.

Connector Construction and Technical Aspects

The component is a complete socket with a section of wiring, prepared for installation in the left rear taillight. The construction is based on the original BMW connector, which ensures:

• secure electrical contacts, minimizing the risk of circuit interruption,
• proper wire routing within the lamp housing,
• compatibility with the original Z4 E85 rear taillight housing.

This solution simplifies servicing and replacement of damaged installation components without the need for main wiring modifications.

Benefits of Using an Original BMW Harness

Using an original BMW component in the Rear Lights & Brake Lights category helps maintain the electrical system's consistency with the vehicle's factory design. In practice, this means:

• correct operation of all driver's side rear taillight functions,
• no need for soldering or creating adapter cables,
• easier diagnosis of potential future faults.

A used component is a good choice for accident repairs or replacing a damaged socket when maintaining the original standard of workmanship and fit is important.

Service Application and Installation

The left rear taillight socket wiring harness is particularly useful in situations where:

• the factory connector has been damaged due to corrosion, overheating, or mechanical pulling,
• the rear taillight needs to be replaced along with its installation components,
• the rear left corner of the body is being repaired after a collision.

Thanks to the part's original nature, installation is predictable, and electrical connections remain compliant with BMW service documentation.

If you also need other components responsible for rear lighting in your BMW and want to maintain the consistency of the installation and lamp appearance, check the available parts in the BMW Rear Lights & Brake Lights category.

If you are considering choosing a used component and want to better understand how to assess its usability and durability in the context of lighting repairs, it is worth reading the article Used Car Parts: Myths and Facts You Need to Know, which dispels the most common doubts related to such solutions.