BMW E90 E91 E92 E93 Rear Heater Air Duct Channel 7118051

BMW E90 E91 E92 E93 Rear Heater Air Duct Channel is an original ventilation system component, responsible for precisely directing warm air to the rear of the cabin. Thanks to its factory design, it ensures proper airflow, stable heating operation, and thermal comfort for rear-seat passengers. This is a practical solution for users looking to restore the correct operation of the ventilation system in their vehicle.

Specifications and technical data

• SKU: 7118051
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7118051
• Substitutable numbers: 64227118051, 7118051
• Location on the vehicle: Rear
• Category: Other Air Conditioning & Heating

Purpose and function of the air duct

The rear heater air duct in BMW E90, E91, E92, and E93 series models is responsible for transporting air from the central ventilation system to the rear cabin zone. This component operates in the rear interior area, integrating with the factory ventilation system and the vents located near the center console or in the rear seat area.

A functional air duct allows for:

• even distribution of warm air to the rear of the vehicle,
• maintaining a stable temperature for rear-seat passengers,
• reducing window fogging in the rear part of the body,
• preserving the factory efficiency of the heating and ventilation system.

Construction and fitment for BMW E90–E93

The presented air duct has been designed specifically for the BMW E9x platform, which translates into precise fitment with factory mounts and correct airflow routing. Its placement in the rear of the vehicle allows for a direct connection to the existing ventilation installation without the need for interior modifications.

Original BMW origin means:

• maintaining the correct duct geometry,
• compatibility with standard center console and cowl components,
• adequate rigidity and resistance to typical operational loads.

Component condition and service application

The offered air duct is a salvaged part, making it a cost-effective solution compared to new components. At the same time, it is an original BMW component, ensuring you maintain the factory performance parameters of the heating system. This type of part is particularly useful for repairs following mechanical damage, improper interior assembly, or center console replacement.

Replacing the air duct is recommended when:

• ventilation to the rear cabin is weaker than in the front,
• there are leaks or noticeable air "escaping" under the upholstery,
• the duct was damaged during other interior service work.

Benefits of using an original air duct

By installing this component, you restore proper air circulation in the rear interior, which directly impacts passenger travel comfort. The original rear heater air duct minimizes the risk of poor fitment, rattles, or looseness that often occur with non-original replacements.

This solution is especially recommended for users who care about maintaining the factory BMW equipment standard while wanting to cost-effectively restore the full functionality of the heating and ventilation system in E90, E91, E92, and E93 models.

If you are planning a comprehensive repair or upgrade of your BMW's interior zone and need other elements from the same group, such as air vents, tunnel covers, or additional air ducts, check out the available parts in the Other BMW category.

For drivers interested in comparing technical solutions used in various makes and models, including sports designs, an article discussing the differences in engine, brake, and chassis construction may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.

If you are also interested in a conscious approach to vehicle maintenance and the thoughtful use of recycled parts, it is worth reading the guide on eco-tuning: Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts.