Necessary preliminary tasks

E65 only:

Release screws.

Remove transmission underguard (1).

E60/E61/E63/E64 only:

Remove underbody protection.

If necessary, remove exhaust system bracket (N62/N62TU/M57T2 only).

E90/E91/E92/E93 only

Remove REAR UNDERBODY PROTECTION .

If necessary, remove bracket for underbody protection.

Fig 1: Identifying Transmission Underguard

Courtesy of BMW OF NORTH AMERICA, INC.

Remove oil drain plug (1).

Tightening torque: 24 11 6AZ .

Drain automatic transmission fluid.