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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 989 (Front Axle - Repair) >> Front Axle Suspension >> 51 47 491 Removing And Installing/Replacing Rear Underbody Protection

51 47 491 Removing And Installing/Replacing Rear Underbody Protection

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Scalding hazard!
This work may only be carried out on an exhaust system which has cooled down.

Single-part underbody protection (except E90/E91/E92 AWD): 

Release screws (1).

Pull underbody protection (2) in direction of arrow out of bracket (3).

Installation: 

Ensure correct seating.

Centre underbody protection (2) and tighten down screws (1).

Fig 1: Identifying Underbody Protection Screws
G04726248Courtesy of BMW OF NORTH AMERICA, INC.

Single-part underbody protection (E90/E91/E92 AWD): 

Release screws (1).

Remove underbody protection (2) downwards.

Installation: 

Ensure correct seating.

Centre underbody protection (2) and tighten down screws (1).

Fig 2: Identifying Underbody Protection Screws
G04726250Courtesy of BMW OF NORTH AMERICA, INC.

Two-part underbody protection 

Release screws (1).

Detach underbody protection (2) from bracket (3) and remove.

Installation: 

Ensure correct seating.

Centre underbody protection (2) and tighten down screws (1).

Fig 3: Identifying Underbody Protection Screws
G04726249Courtesy of BMW OF NORTH AMERICA, INC.