Retrofitting LCI Tail Lights onto Your E92 M3 (Completely Revamp Your Pre-LCI M3!)

Owning a BMW E92 M3 is already a statement of style and performance, but if you're looking to give your ride a modern touch, retrofitting LCI tail lights is an excellent choice. The LCI tail lights not only enhance the aesthetic appeal of your M3 but also bring it in line with the latest BMW design language. In this guide, we'll walk you through the steps to successfully retrofit LCI tail lights onto your E92 M3.

Step 1: Gather the Necessary Parts and Tools

Before diving into the retrofit process, ensure you have all the required components and tools:

- LCI Tail Lights Set (Buy Here)

- Wiring Harness Adapter (specific to your model year)

- Trim Removal Tools

- Screwdrivers

- Socket Set

- Coding Software (e.g., BimmerCode or Carly for BMW)

Step 2: Remove the Existing Tail Lights

1. Open the trunk and locate the access panels covering the tail light bolts.

2. Use a screwdriver or socket set to remove the bolts securing the tail lights.

3. Carefully detach the tail lights from the vehicle, ensuring you don't damage any wiring.

Step 3: Install the LCI Tail Lights

1. Align the new LCI tail lights in the same position as the old ones.

2. Secure the LCI tail lights in place using the bolts you removed earlier.

Step 4: Wiring Harness Installation

1. Connect the new LCI tail lights to the provided wiring harness adapter.

2. Follow the manufacturer's instructions for proper wiring, ensuring a secure and weatherproof connection.

3. Tuck the wiring neatly to avoid interference with any moving parts.

Step 5: Test Functionality

Before fully securing everything, test the functionality of the LCI tail lights. Check for proper brake light, turn signal, and reverse light operation.

Step 6: Code Your Vehicle

To ensure the new lights function correctly and to prevent error messages on your dashboard, you'll need to code your BMW. Use a coding tool like BimmerCode or Carly for BMW to update the car's software.

1. Connect the coding tool to your BMW's OBD-II port.

2. Follow the instructions provided by the coding software to code the new LCI tail lights.

Step 7: Reassemble and Final Checks

1. Once coding is complete, reassemble any interior trim panels that were removed.

2. Perform a final check of all lights to ensure everything is functioning correctly.


Retrofitting LCI tail lights onto your E92 M3 is a rewarding project that can significantly enhance the appearance of your vehicle. By carefully following these steps and using the right tools, you can achieve a seamless integration of the new tail lights. Always consult the specific instructions provided with your LCI tail lights and wiring harness adapter for the best results. Enjoy your upgraded, modernized E92 M3!