51 71 099 Removing and installing/replacing radiator air guide: Replacement

Modify all rubber seals (1) and sheet nuts (2) on air duct, replace if necessary.

Modify outside temperature sensor (3).

Optional extra:

Modify air flap control, see 51 64 001 Removing and installing or replacing top air flap control .

Fig 1: Identifying Outside Temperature Sensor And Rubber Seals With Sheet Nuts

Courtesy of BMW OF NORTH AMERICA, INC.