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Section 246 (Body Equipment -- Repair M4 (2 Of 2) (G82 & G83))
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51 71 Gaskets And Loose Body Parts
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51 71 017 Removing and installing/replacing left underbody protection (M4 2021-2023)
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Installing the undershield on the sides
Installing the undershield on the sides
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.
Insert the undershield (1).
Tighten all bolts and nuts (arrows).
TIGHTENING TORQUE SPECIFICATIONS
Undershield
screw
Tightening torque
2.6 Nm
Plastic nut
Tightening torque
2.6 Nm
Courtesy of BMW OF NORTH AMERICA, INC.