BMW 3 Series E90 E91 E92 LCI Heater Rear Duct Intermediate Piece 7119417

The BMW 3 Series E90/E91/E92 LCI Rear Air Duct Intermediate Piece is an original ventilation system component designed for installation in the rear cabin. Its factory geometry ensures proper airflow management to the rear vents, contributing to stable thermal comfort for passengers. This is a practical solution for users who want to maintain the integrity of the heating and ventilation system in their facelifted (LCI) BMW 3 Series.

Specifications and technical data

• SKU: rhd-6968448
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6968448
• Substitutable numbers: 64226968448, 6968448, 64227119417, 7119417
• Location on the vehicle: Rear
• Category: Other Air Conditioning & Heating

Purpose and Function in the Heating System

The described element serves as an intermediate air duct in the rear of the body, connecting sections of the ventilation system between the main heating unit and the outlets for rear passengers. It has been specifically designed for the facelifted generation of BMW 3 Series E90, E91, and E92, guaranteeing a precise fit with the interior architecture and center tunnel.

Its placement in the rear zone of the vehicle allows for efficient distribution of warm or cool air, minimizing flow losses and noise. This enables the air conditioning and heating system to operate under stable conditions, providing rear-seat passengers with an even airflow.

Construction and Fit for BMW 3 Series LCI

As an original BMW part, the rear air duct intermediate piece has been designed for precise fitting with factory mounting points in the E90, E91, and E92 LCI models. The appropriately profiled duct shape allows for:

• stable routing of the duct within the center tunnel or rear floor area,
• interference-free cooperation with adjacent interior components,
• maintaining the airtightness of connections within the ventilation system.

Such a fit minimizes the risk of unwanted vibrations, creaks, or reduced ventilation performance, which is particularly important in the daily operation of the vehicle.

Characteristics of a Used Component

The offered rear air duct intermediate piece is from the group of original used BMW parts. These types of components are often chosen for ventilation system repairs as they allow for the preservation of the original ductwork design while reducing costs. For structural plastic components, such as air ducts, proper fit and original geometry are more important than the visual "newness" of the surface.

A used ventilation system component is a sensible choice wherever maintaining the original vehicle specification is crucial, while also prioritizing an economical repair without compromising the quality of workmanship characteristic of BMW.

Why Use an Original Rear Air Duct

Using a factory intermediate duct in the rear cabin heating system of the BMW 3 Series LCI offers a number of practical benefits:

• Structural Compatibility – a component designed specifically for the given body generation, requiring no modifications.
• Stable Airflow – maintaining duct cross-sections and lengths consistent with the manufacturer's design.
• Easier Installation – factory mounting points and proper duct routing in the rear of the vehicle.
• Consistency with Other System Components – no fitting issues with adjacent ventilation elements.

Therefore, replacing a damaged or missing duct with an original equivalent allows for the restoration of correct rear ventilation operation without interfering with the interior structure.

System Expansion and Related BMW Components

If you are planning a comprehensive repair or upgrade of the rear ventilation zone in your BMW and require other components from the same group, such as additional air ducts, vent grilles, or tunnel covers, check the available parts in the Other BMW category.

To compare technical solutions used in sports versions of other brands, including differences in cooling systems, brakes, and chassis design, it is worth reading the article describing RS models – you can find it here: Audi RS vs Other Models – What Lies Under the Hood and Chassis?.