41 00... Opening Adhesive Bonds

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 135i, and 2010 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

Opening spot-weld bonds
- Set punch mark in center of weld spot. Set 8 mm dia. weld spot drill bit on punch mark and drill through top metal sheet.
  Or open weld spot with Vario Drill spot-weld cutter. Sourcing reference, see Aftersales Assistance Portal (ASAP) - Service/Technology - Workshop Equipment (Start BMW) - Shop Workshop Equipment.
  
  NOTE: Because the weld spots may have surface-hardened, grind them if necessary with an angle grinder and paper grinding disk.
- Heat connecting flange with a hot air blower.
  CAUTION: Extract vapors and gases.
- Release connection flange with chisel.
- Grind off residual adhesive from connecting flange.
  CAUTION: Wear a grinding dust mask.
Opening adhesive bonds on aluminum parts
- Remove punch rivets or blind rivets . Refer to 41 00... Riveting Aluminum Parts .
- Roughly cut out damaged component. The component can be peeled with the aid of pliers. If necessary, heat bonding flange with hot air blower.
- Extract vapors and gases.
- Grind off residual adhesive from connecting flange.
  CAUTION: Wear a grinding dust mask.
- If engine carrier part replacement on the GRAV is carried out repeatedly, cut the damaged part at the existing cutting line. Heat bonding flanges with a hot air blower. Peel off remnants of expander elements with pliers.
Opening adhesive bonds on carbon-fibre-reinforced plastic parts
Procedure is described in detailed in the relevant repair instructions.