Five-Series Original Lumbar Support-Modification Sharing

  8
 August 16, 2024

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  • Take a look at the accessories needed for the original lumbar support
What is lumbar support (lumbar support):

Car lumbar support refers to the adjustability of the lumbar support of the seat, which can relieve the fatigue of long-term driving. Lumbar support adjustment can be divided into electric and manual methods. The manual lumbar support adjustment knob is installed on the side of the seat, and the electric lumbar support adjustment button is next to the electric seat adjustment button (all BMW series uses electric lumbar support).

Specific functions of lumbar support:
Through continuous adjustment through buttons or in different gears, if the waist is always in a “nestled” position during driving, it will affect the blood circulation of the waist and cause discomfort to people with waist diseases. Lumbar support can improve the waist curve. When the waist is bent inward on a seat without support function, fatigue will occur over time. Long-term waist fatigue will cause certain safety hazards to driving. The lumbar support function allows the driver and passengers to keep the waist in a very comfortable state through the adjustment of the lumbar support, alleviating a series of problems caused by the waist curling up in the seat

Without saying much, let us take a look at the construction process of such a 20-model five-series machine—

Take a look at the accessories needed for the original lumbar support

Let’s get to the main topic and start the disassembly process

This is the snap position under the seat

The seat switch of the original car was removed and replaced with a high-profile switch. Now it is bare

The air bag is on the inside, and the air bag is stuck on it, so you don’t have to worry about moving or making abnormal noises.

You need to connect four wires, but there is no need to break the wires here.

Two are plugged into the reserved interface of the switch, and two can be used to draw power from the seat power supply

BMW does not need to program the original lumbar support, and it can be used after connecting the installation lines.

In this way, our 5-series lumbar support has been installed and restored. In order not to waste everyone’s time, the restoration will not be as good as the picture.
Let’s take a look at the comparison renderings below

The pictures don’t have obvious effects, but it feels obvious when you sit down

In this way, a G38 is completed, bringing you a sharing process. If you have any problems and suggestions on the modification that you don’t understand, you can ask and leave a message.
see you next time

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