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Home >> BMW >> 2017 >> M240i 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 201 (Engine Electrical System -- Repair X2 (F39)) >> 12 42 Starter Line >> 12 42 500 Removing and installing/replacing the positive battery cable (after vehicle diagnosis) (X2 2018-2023) >> Removing positive battery cable from vehicle battery for starter motor

Removing positive battery cable from vehicle battery for starter motor

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW X2, 2022 BMW X2, 2021 BMW X2, 2020 BMW X2, and 2019 BMW X2. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: TECHNICAL INFORMATION 
When the engine is stopped after the completion of trip, it may be necessary to run the electric fan. In rare cases, operation of the electric fan can last up to 11 min. This protects the components. In this case, replacing the electric fan will not remedy the problem!

Preliminary work 

WARNING: Working on 12 V electrical system  .
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! 
  • Perform all work only on components that have cooled down.
G11645563Courtesy of BMW OF NORTH AMERICA, INC.