LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 295 (Collision - Body Panel Repair (F25)) >> Support Members >> 41 11 420 Replace Left Sills

41 11 420 Replace Left Sills

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Procedure OBSERVE  repair stage 3!

Read contents of BODY, GENERAL .

Use only approved SPOT-WELDING APPARATUS  for repairs!

Following new body parts are required (see OVERVIEW OF CONSUMABLES ):

Removal 

Fig 2: Identifying Outer Side Frame Severance Cutting Area
G09947632Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut (1) in accordance with dimension and cut.

IMPORTANT: Cut outer panel only.

Measurement a = approx. 40 mm from center point of 8 mm dia. hole.

Open welded connections in areas (2).

Fig 3: Identifying Outer Side Frame Welded Connections Areas
G09947633Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

Remove sill.

New part preparation 

Fig 4: Identifying Sill Welded Connections Area
G09947634Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut (1) on the new part according to vehicle + 20 mm extra material and cut.

Fig 5: Identifying Outer Side Frame Plug-Weld Areas
G09947635Courtesy of BMW OF NORTH AMERICA, INC.

Adjust new part to fit and secure.

Prepare new part for plug-weld in areas (1).

In area (2) prepare new part for spot-weld.

Remove new part and deburr holes.

Installation 

Install new part and weld.