LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2025 >> M240i >> Repair and Diagnosis >> External Pages >> Different car >> Section 207 (General Electrical System -- Repair M5 (F90)) >> 61 12 Auxiliary Cable >> 61 12 002 Replacing the positive battery cable (safety battery terminal) (from battery to rear positive distribution) (M5 2018-2022) >> Replacing the positive battery cable

Replacing the positive battery cable

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 

NOTE: RISK OF DAMAGE 
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS)  .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults  .
  • Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.
TIGHTENING TORQUES SPECIFICATION

Positive battery cable
Positive pole screw tightening torque  15 Nm
G15189954Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Positive battery terminal to battery
Nut tightening torque  5 Nm
G15189953Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work