51 71... Remove and install/replace left or right lower front brake air duct

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Preliminary work needed:

Remove front BUMPER COVER

Right side only:

Release WASHER FLUID RESERVOIR FOR WASHER SYSTEM

Removal:

Undo expander rivet or screws (1).

Remove screw (2).

Feed out air duct (3) from guide (4) and remove.

Fig 1: Removing Air Duct From Guide

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Feed in air duct (3) with guide (4) into holder.

Secure air duct (3) with screw (2).

Secure expanding rivet or screws (1).

Fig 2: Removing Air Duct From Guide

Courtesy of BMW OF NORTH AMERICA, INC.