1 Series E81 130i (N52K) 3-door
41 00 ...
Opening adhesive bonds
1. Opening spot-weld bonds
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Set punch mark in centre 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 welding cutter (refer to Workshop Equipment & Planning CD, Chapter 7).
Note: Because the weld spots may have surface-hardened, grind them if necessary with an angle grinder and
paper grinding disk.
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Heat connecting flange with a hot air blower.
Caution: Extract vapours and gases.
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Release connection flange with chisel.
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Grind off residual adhesive from connecting flange.
Caution: Wear a grinding dust mask.
2. Opening adhesive bonds on aluminium parts
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Remove punch rivets or blind rivets.
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Roughly cut out damaged component. The component can be peeled with the aid of pliers. If necessary, heat
bonding flange with hot air blower.
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Caution:
Heat only the damaged component with a hot air blower.
Extract vapours and gases.
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Grind off residual adhesive from connecting flange.
Caution: Wear a grinding dust mask.
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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.
3. Opening adhesive bonds on carbon-fibre-reinforced plastic parts
Procedure is described in detailed in the relevant repair instructions.
RA Opening adhesive bonds
BMW AG - TIS
22.01.2013 06:22
Issue status (12/2007) Valid only until next DVD is issued
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