Checking the front seat for damage
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M240i xDrive, 2023 BMW M240i, 2023 BMW 230i xDrive, 2023 BMW 230i, and 2022 BMW M240i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
Checking the front seat for damage (electrically adjustable front seat)
WARNING:
Airbag unit.
Danger! Immobilization period-threatening injuries!
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: SAFETY REGULATIONS FOR HANDLING COMPONENTS WITH GAS GENERATORS .
WARNING:
Pyrotechnic components.
Danger! Immobilization period-threatening injuries!
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: SAFETY REGULATIONS FOR HANDLING COMPONENTS WITH GAS GENERATORS .
NOTE:
TECHNICAL INFORMATION
Different variants may be installed depending on the vehicle equipment.
Different variants may be installed depending on the vehicle equipment.
NOTE:
TECHNICAL INFORMATION
The next steps are identical for all versions.
The next steps are identical for all versions.
Deactivate vehicle-specific high-voltage or low-voltage electrical system
NOTE:
RISK OF DAMAGE
Damage to the high-voltage battery due to the high-voltage system not being deactivated before the on-board battery is disconnected via Service Disconnect in BEV and PHEV vehicles.
Damage to the high-voltage system!
Damage to the high-voltage battery due to the high-voltage system not being deactivated before the on-board battery is disconnected via Service Disconnect in BEV and PHEV vehicles.
Damage to the high-voltage system!
- High-voltage system must be deactivated before disconnecting the vehicle electrical system battery via Service Disconnect in BEV and PHEV vehicles.
- Work on the high-voltage system may only be carried out by specially trained experts.
- For more information see:
- For more information see:
NOTE:
RISK OF DAMAGE
Follow the vehicle-specific instructions described in the additional information.
Follow the vehicle-specific instructions described in the additional information.
- On-board network according to the in the following information described
Disable defaults.
- Unlock plug connection (1) and disconnect.
- Connect the adapter cable 5 A4B 7F4 with the wiring harness (1) and front seat (2).
Activate vehicle-specific high-voltage or low-voltage electrical system
NOTE:
TECHNICAL INFORMATION
Follow the vehicle-specific instructions described in the additional information.
Follow the vehicle-specific instructions described in the additional information.
- On-board network according to the in the following information described
Disable defaults.
- Inspect the seat rails of the front seat (1) for contamination and foreign bodies; if there are any, remove them from the seat rails.
- Move the front seat (1) back with the button (2) all the way to the end position.
- Prepare a commercially available clip-on current measurement probe (3).
- Attach the clip-on current measurement probe (3) in the red marked area as shown.
- Move the front seat (1) to the front with the button (2) up to the end position and observe the displayed maximum values of the clip-on current measurement probe (3).
Check
- Check whether the recorded maximum value is greater than 8 A.
Result
» The recorded maximum value is greater than 8 A.
Measure
- Replace the front seat.
Result
» The recorded maximum value is less than 8 A.
Measure
- Reuse the front seat.
Checking the front seat for damage (mechanically adjustable front seat)
NOTE:
TECHNICAL INFORMATION
Different variants may be installed depending on the vehicle equipment.
Different variants may be installed depending on the vehicle equipment.
NOTE:
TECHNICAL INFORMATION
The next steps are identical for all versions.
The next steps are identical for all versions.
- Fasten the forward/back seat adjuster (1) with a commercially available tensioning belt (2) at a suitable position of the seat frame (3).
- Carefully tension the tensioning belt (2) so that the forward/back seat adjuster (1) is completely unlocked.
- Slide the front seat (1) in the arrow direction until it moves into the rear end position.
- Inspect the seat rails of the front seat (1) for contamination and foreign bodies; if there are any, remove them from the seat rails.
- Provide a commercially available digital luggage scale (1) that works up to a maximum tensile force of 40 kg (400 Nm).
The digital luggage scale (1) must record the maximum value achieved for evaluation.
- Fasten the digital luggage scale (1) on the seat frame (2).
- Move the front seat (3) forward into the end position by pulling on the luggage scale (1).
The recorded maximum value must not exceed 16 kg (160 Nm).
Check
- Check whether the recorded maximum value is greater than 16 kg (160 Nm).
Result
» The recorded maximum value is greater than 16 kg (160 Nm).
Measure
- Replace the front seat.
Result
» The recorded maximum value is less than 16 kg (160 Nm).
Measure
- Reuse the front seat.