51 71 480 Removing and installing/replacing cross reinforcement (on rear axle)

Necessary preliminary tasks: 

• Remove TRAILING LINKS ON LEFT AND RIGHT
• Release rear silencer and lower slightly. See EXHAUST SYSTEM (N55) or EXHAUST SYSTEM (N63) .

Release nuts of heat shield (3) and lower heat shield (3).

Unscrew nuts (1).

Tightening torque 51 61 14AZ .

Unfasten screws (2).

Tightening torque 51 61 13AZ .

Remove cross reinforcement (4).

Fig 1: Identifying Heat Shield Nuts

Courtesy of BMW OF NORTH AMERICA, INC.