BMW E81 E87 E90 E91 E92 Module Pump Front Seat Lordosis Pad Lumbar 7138788

BMW E81 E87 E90 E91 E92 Module Pump Front Seat Lordosis Pad Lumbar is an original lumbar support system component designed for installation in the front seats of selected BMW models. Thanks to its precise OEM design, it ensures stable operation of the lumbar adjustment system, improving long-distance driving comfort and seat ergonomics. This solution is particularly beneficial for drivers seeking functional lumbar support without interfering with the vehicle's factory installation.

Specifications and technical data

• SKU: 7138788-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7138788
• Substitutable numbers: 52107138788, 7138788
• Location on the vehicle: Front
• Category: Seats and Sofas

Purpose and function in the seat system

The presented lumbar pump works with the support adjustment system in the front seat, responsible for supplying and maintaining the appropriate pressure in the lumbar pad. This component is part of the comfort system within the Seats and benches category, contributing to:

• precise adjustment of lumbar support to the driver's or passenger's physique,
• increased spinal stabilization in the lumbar region while driving,
• reduction of back fatigue during longer journeys.

Its placement in the front cabin area allows for direct integration with the factory seat controls, maintaining consistency with the original BMW installation.

Construction and integration with the BMW system

The pump has been designed as an OEM component, meaning its construction, connectors, and mounting method are adapted to the factory solutions used in BMW seats. As a result:

• compatibility with the original lumbar support system is maintained,
• there is no need to modify wiring harnesses or mounting brackets,
• efficient replacement of a damaged module with a functional used part is possible.

Such a fit promotes the consistency of the entire seating system, which is important both from the perspective of comfort and operational durability.

Condition, origin, and benefits of choosing a used part

The item comes from disassembly and is offered as a used original BMW part. In practice, this means maintaining factory specifications while simultaneously reducing the costs of repair or interior upgrades compared to purchasing a new component. Choosing this solution allows you to:

• maintain equipment consistency with the rest of the seat system,
• preserve the original character of the BMW interior,
• optimize the budget allocated for service or improving driving comfort.

Application in BMW interior upgrades

The seat lumbar pump is suitable both for standard replacement of a damaged element and for expanding equipment with adjustable lumbar support in the front seat. It is a practical solution for those who want to improve seat ergonomics while maintaining the factory build standard characteristic of the BMW brand.

If you are planning a comprehensive repair or upgrade of the seating area in your BMW and need other elements from the same group, such as seat frames, adjustment mechanisms, or armrests, check out the available parts in the BMW Seats and benches category.

Support with selection and upgrade inspiration

When planning an interior upgrade, it is worth looking more broadly at the entire system of seats, steering wheels, and multimedia to achieve a consistent visual and functional effect. Practical tips regarding the selection of used equipment components, their compatibility, and installation can be found in the guide Premium interior for half the price: second-hand seats, steering wheels, and multimedia, which will help you plan the work step by step.