BMW E90 LCI Bulb Holder Socket Rear In Trunk Lid Light Left 7211211

BMW E90 LCI Bulb Holder Socket Rear In Trunk Lid Light Left is an original rear lighting system component designed for installation on the left side of the LCI (facelift) version of the E90. It ensures secure bulb seating, a stable connection to the electrical harness, and maintains the proper operation of the main and center brake lights in accordance with BMW manufacturer standards.

Specifications and technical data

• SKU: 7211211
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7211211
• Substitutable numbers: 63217211211, 7211211
• Location on the vehicle: Rear, Left
• Category: Centre & Third Brake Light Assemblies

Purpose and function in the lighting system

The presented bulb holder is dedicated to the rear lamp on the left side of the vehicle for the BMW 3 Series E90 LCI model. It is responsible for the correct positioning and electrical contact of the bulbs within the lamp module, which translates into clear braking signaling and vehicle visibility for other road users.

Thanks to its factory geometry, the socket provides:

• precise bulb positioning in the lamp reflector,
• stable electrical contacts minimizing the risk of light flickering,
• compatibility with the factory BMW electrical system without the need for installation modifications.

Construction and fitment for BMW

The socket has been designed specifically for the rear left lamp in the BMW E90 LCI, meaning the shape, mounting points, and contact layout are tailored to the original housing. Factory-grade reproduction allows for installation in place of a damaged holder without interfering with the bodywork or wiring harness.

Key design features:

• dedicated placement in the driver-side rear lamp,
• compatibility with factory BMW electrical connectors,
• bulb socket layout compliant with vehicle lighting homologation.

Condition and service application

The item is sourced from disassembly and is offered as a used bulb holder, which is a cost-effective service solution for lighting system repairs. It is particularly useful in situations where the original lamp has suffered from damaged contacts, housing overheating, or issues with maintaining stable electrical contact.

Using this type of socket allows you to:

• restore full functionality of the brake lights without replacing the entire lamp,
• reduce repair costs while maintaining original BMW specifications,
• keep the electrical system consistent with factory vehicle parameters.

Benefits of installing an original holder

Choosing an original bulb holder for the BMW E90 LCI helps avoid problems typical of aftermarket replacements, such as poor fitment or unstable contacts. Factory fitment for the rear left lamp translates into predictable installation and proper brake light operation over the long term.

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your BMW and need other components from the same group, such as additional bulb holders, complete rear lamps, or housing modules, check out the available parts in the BMW main and center brake lights category.

Additional technical support

For larger service tasks, including drivetrain work or vehicle upgrades, guide materials can be helpful. If you are planning repairs or replacing components related to the transmission, it is worth reading the article Transmission: manual, automatic, or DSG – common faults and a guide to buying a used gearbox, which helps in making informed service decisions.