LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2020 >> M5 Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 228 (General Electrical System -- Repair M4 (G82 & G83)) >> 61 20 Battery >> 61 20 900 Disconnecting and connecting battery ground lead (M4 2021-2023) >> Connecting negative battery cable of the system battery

Connecting negative battery cable of the system battery

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.
TIGHTENING TORQUES SPECIFICATION

Negative battery terminal 
Nut tightening torque  5 Nm
G15340243Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work