Removing the positive battery cable from the starter to remote positive terminal
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Working on 12 V electrical system
.
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no charger connected to the jump start terminal in the engine compartment.
- Detach battery ground lead from battery.
- For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
WARNING:
Hot surfaces
.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
CAUTION:
Improper routing of the positive battery cable
.
Risk of short circuits!
Risk of short circuits!
- Route the positive battery cable without abrasions and do not trap.
Preliminary work
- Refer to REMOVING THE FRONT SPOILER .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE LEFT AND RIGHT FRONT UNDERSHIELD .
- Refer to REMOVING THRUST FIELD .
- Refer to REMOVING THE SEAL FOR THE HOOD REAR .
- Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
- Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS . .
- Refer to REMOVING LEFT AND RIGHT WIPER ARM .
- Refer to REMOVING WINDSHIELD PANEL COVER .
- Refer to REMOVING TRAILING LINK AT SPRING BOLT .
- Refer to REMOVING THE CENTER COWL UPPER PART .
Positive battery cable from the starter motor to the remote positive terminal
WARNING:
Working on 12 V electrical system
.
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no charger connected to the jump start terminal in the engine compartment.
- Detach battery ground lead from battery.
- For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
WARNING:
Hot surfaces
.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
- Unlock the locks (1) .
- Feed out the cover (2)
upwards and remove.
- Loosen nut (1) .
- Guide out positive battery cable (2)
from the holders (arrows) and keep it aside.
- Feed the positive battery cable (1)
out of the holders (arrows) and place aside.
- Unlock plug connection (1) and disconnect.
- Release nut (2) .
- Guide out positive battery cable (3)
from the holder (arrow) and keep it aside.
- Remove positive battery cable (1) and remove.