Procedure steps

Key processes 

1. - Removing the front underbody protection 
   NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
   • Loosen screws (1)  .
   • Loosen all screws along the line (2)  .
   • Remove underbody protection (3)  .
     Fig 1: Underbody Protection Screws

     Courtesy of BMW OF NORTH AMERICA, INC.
2. - Installing the front underbody protection 
   NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
   • Position underbody protection (3)  .
   • Tighten all screws along line (2)  .
   • Tighten the screws (1)  .
     Fig 2: Underbody Protection Screws

     Courtesy of BMW OF NORTH AMERICA, INC.