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Home >> BMW >> 2021 >> 840i 2D Convertible >> Repair and Diagnosis >> Body & Frame >> Exterior/Interior Trim >> Body Equipment -- Repair (1 Of 3) (G14, G15, & G16) >> 51 12 Bumper, Rear >> 51 12 315 Removing and installing/replacing the rear diffuser (8' series Gran Coupe sedan models 2020-2023) >> Installing the rear diffuser

Installing the rear diffuser

TIGHTENING TORQUES SPECIFICATION

Diffuser to rear bumper
Plastic hexagon screw Tightening torque  3 Nm
G15649484Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Diffuser to heat insulation for rear silencer
Plastic nut with flange Tightening torque  3 Nm
TIGHTENING TORQUES SPECIFICATION

Diffuser/undershield
Nuts and screws Tightening torque  3 Nm
G15123104Courtesy of BMW OF NORTH AMERICA, INC.