BMW 7 Series: Notes On Adhesive K4
IMPORTANT: Note the following information before starting to apply adhesive!
- Country-specific safety and industrial safety regulations
- Material safety data sheet of manufacturer
- Processing instructions on glue cartridge
Storage
Dry at 15º- 25ºC.
Shelf life
The glue cartridge is marked with a date.
Do not use the adhesive after this date.
Surface pre-treatment
See vehicle-specific repair instructions
Required cartridge gun
Overview of glue cartridge guns
Preparing the glue cartridge
Do not prepare the glue cartridge until just before applying the adhesive.
Opened glue cartridges may be used again before the expiry date as long as a new mixing tube is used.
The working temperature of glue cartridge must be at least 18ºC.
Working life of adhesive is approx. 10 minutes.
Insert glue cartridge into cartridge gun, remove cap and allow both adhesive components to emerge. Strip adhesive components uniformly and attach mixing tube. Only use mixing tubes supplied with glue cartridge.
Before starting to apply adhesive, allow approx. one half mixing tube length of mixed adhesive to emerge. Only then apply the mixed adhesive to one side of the bonding surface.
2-component adhesive application
Read the vehicle-specific repair instructions to determine the thickness and positioning of the adhesive bead.
Hardening time
The bonded connection will be resistant after 30 minutes.
Disposal of adhesive
Hardened adhesive is disposed of as normal waste.
Empty glue cartridges are disposed of as normal waste.
Non-hardened adhesives and mixtures of adhesive and solvent and the like must be disposed of as hazardous waste.
These regulations apply to the Federal Republic of Germany.
For other countries, comply with the (possibly differing) nationally applicable regulations.
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Notes On Adhesive K5
IMPORTANT: Note the following information before starting to apply
adhesive!
Country-specific safety and industrial safety regulations
Material safety data sheet of manufacturer
Processing instru
Opening Adhesive Bonds
1. Opening spot-weld bonds
OPEN WELD SPOTS.
WARNING: Extract vapors and gases.
Use personal protective clothing/equipment.
Heat connecting flange with a hot-air blower. Heat components to max. 250ºC
Overview Of Adhesive Cartridge Guns
Adhesive gun 83 19 2 149 522
Usable for adhesives K4, K5a.
Including insert 1:1 and 2:1.
Fig. 28: Identifying Adhesive Gun (83 19 2 149 522)
Adhesive gun 81 49 0 443 166
Usable for adhesive K3.
Fig.
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Replacing Battery Positive Lead Between Starter, Alternator And
Battery Positive Terminal (N63)
Necessary preliminary tasks
Read out fault memory of DME control unit
Turn off ignition
Disconnect BATTERY NEGATIVE LEAD
Remove RIGHT INTERCOOLER
Remove RIGHT INTAKE MANIFOLD
Open cover.
Release screw (1).
Tightening torque 12 42 3AZ.
Remove battery positive lead (2) from battery positive t
Welding Steel Components
IMPORTANT: Comply with the following topics from "Body, General":
Safety regulations.
Handling electrical/electronic equipment, airbags and restraint systems.
1. General information
The following procedures are used for repairs:
MAG welding (M etal Ac tive G as welding)
Resistance pressure sp
