Remove the backrest frame for the front seat

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M5, 2022 BMW M5, 2021 BMW M5, 2020 BMW M5, and 2019 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.

Preliminary work

Refer to CHECKING THE FRONT SEAT FOR DAMAGE .
Refer to REMOVING FRONT SEAT .
Refer to REMOVING OUTER COVER ON FRONT SEAT .
Refer to REMOVING INNER COVER ON FRONT SEAT .
Refer to REMOVING THE TOP REAR PANEL FROM THE FRONT SEAT REAR PANEL .
Refer to REMOVING THE REAR PANEL AT THE BOTTOM OF THE FRONT SEAT REAR PANEL .
Refer to REMOVING THE CRASH-ACTIVE HEAD RESTRAINT FOR THE FRONT SEAT .
Refer to REMOVING THE DRIVE FOR THE HEADREST HEIGHT ADJUSTMENT ON THE FRONT SEAT .
Removing side airbag from front seat.
WARNING:
Airbag unit.

Danger! Immobilization period-threatening injuries!
- Before working on the airbag, disconnect the negative battery cable from the battery.
- Airbag unit may only be set down with the cushion (airbag itself) facing upwards.
- For additional information see: 72 00 SAFETY REGULATIONS ON HANDLING COMPONENTS WITH GAS GENERATORS .
WARNING:
Pyrotechnic components.

Danger! Immobilization period-threatening injuries!
- All work on pyrotechnic parts may be carried out by technically experienced and appropriately trained personnel only.
- Replace any damaged part or ones that have been dropped.
- For additional information see: 72 00 SAFETY REGULATIONS ON HANDLING COMPONENTS WITH GAS GENERATORS .
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- Detach the backrest cover (1) in signaled area.
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- Loosen clip (1).
- Detach the backrest cover (2) in this area (3).
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- Unlock plug connection (1) and disconnect.
- Cover the area around the rivet head (2).
- Drill out the rivet head (2).
- Remove the airbag module from the backrest frame and lining pocket (3) in the direction of the arrow.
- Fully remove rivet remnants.
Refer to REMOVING THE BACKREST COVER WITH THE UPHOLSTERY FOR THE FRONT SEAT .

Press the detents (1) and push out the guide sleeves (2) towards the top.

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Unlock and disconnect plug connections (1).
Loosen the wiring harness (2) on all cable clips.

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Press the detent and slide the valve body (1) in the direction of the arrow.
Guide out the valve body (1) from the backrest frame.

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Loosen the clips (1).
Detach the lugs (2) of the lumbar support (3).
Completely remove the lumbar support (3) including drive unit and valve body.

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Loosen the clips (1).
Slightly fold back the lining (2).

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Loosen screws (1).
Remove the backrest frame (2) from the seat mechanism (3).

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Loosen clamps (1).
Detach the spring mat (2) from the backrest frame (3).

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