Preparing New Part

• Release the bonded rivet connections in the areas (1) and remove the connecting plate (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Remove adhesive residue on the bonding surface (1) of the shock tower. Do not damage the shock tower!
• Prepare areas (1) for a structural adhesive bonding of aluminum to aluminum.
• Remove adhesive residue from all other bonding surfaces.

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• Seal the hole (1) by MAG weld.
• Drill out holes (2) to dia. 6.8 mm.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Adjust new parts with an alignment bracket or a universal fixture and secure.
• Prepare the reinforcement (1) in area (2) for joining by welding.

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• Prepare areas (1) to (4) for a structural adhesive bonding of steel on steel and steel on aluminum.
• In areas (1) and (2), drill out holes of Ø 6.8 mm and transfer them onto the new part.
• In the area (3), transfer holes to both the new parts. Drill out holes to dia. 6.8 mm.
• In the area (4), drill holes to Ø 6.8 mm. Select the number and position according to the self-tapping screws of the series.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Prepare areas (1) for the structural adhesive bonding of steel to aluminum.
• In areas (1), drill out holes of Ø 6.8 mm and transfer to the new part.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Prepare areas (1) and (2) for a structural adhesive bonding of aluminum to aluminum.
• In areas (1) and (2), drill out holes of Ø 6.8 mm and transfer them onto the new part.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Prepare area (1) for a structural adhesive bonding of steel to aluminum.
• In areas (1), drill out holes of Ø 6.8 mm and transfer to the new part.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Prepare bonding surfaces.

Welding the ground pin and the coarse thread bolt onto the reinforcement of the engine mount 

• Take the quantity and position from the component to be replaced.
• Weld the ground pin (1) and coarse thread bolt (2) onto the new part.

Courtesy of BMW OF NORTH AMERICA, INC.

Preparing the aluminum surface (used part) for bonding 

• Remove coarse contamination from the bonding surfaces using solvent cleaner R2.
  CONSUMABLE DESCRIPTION
  
  

  Cleaning agent R2

  500 ml

  83190417324

• Clean the bonding surfaces using solvent cleaner R1.
  CONSUMABLE DESCRIPTION
  
  

  Cleaning agent R1

  100 ml, Bottle

  83192211217

• Clear bonding surfaces from oxide layers and/or paint using an stainless-steel wire brush or sandpaper with 120 grain.

  The surface must be metallically bright.

• Clean the bonding surfaces using solvent cleaner R1.
  CONSUMABLE DESCRIPTION
  
  

  Cleaning agent R1

  100 ml, Bottle

  83192211217

• Allow cleaned surfaces to dry for approximately 5 min.

  Bonding surfaces must be completely dry.

Preparing the aluminum surface (new part) for bonding 

• Do not  sand the bonding surfaces.
• Remove coarse contamination from the bonding surfaces using cleaning agent R2.
  CONSUMABLE DESCRIPTION
  
  

  Cleaning agent R2

  500 ml

  83190417324

• Clean bonding surface (1) with the cleaning agent R1. Adhere to the air drying time of 2 min!
  CONSUMABLE DESCRIPTION
  
  

  Cleaning agent R1

  100 ml, Bottle

  83192211217

Prepare the steel surface (used part and new part) for structural adhesive bonding 

• Remove coarse contamination from the bonding surfaces using solvent cleaner R2.
  CONSUMABLE DESCRIPTION
  
  

  Cleaning agent R2

  500 ml

  83190417324

• Clean the bonding surfaces using solvent cleaner R1.
  CONSUMABLE DESCRIPTION
  
  

  Cleaning agent R1

  100 ml, Bottle

  83192211217

• Grind the bonding surface down to the bare metal.
• Clean the bonding surface with cleaning agent R1.