BMW X5: Grinding Aluminum Parts
1.0 Recommended tools and equipment
- To carry out outer shell grinding work by hand or machine, you must use
the recommended tools
and equipment.
The work area can be cleaned with conventional extractor systems (low dust concentration).
Weight-reduced aluminum front end structure (GRAV):
- To carry out grinding work by hand or machine, you must use the
recommended tools and
equipment.
The work area can be cleaned with conventional extractor systems (low dust concentration).
Z 8 Spaceframe structure:
- To carry out machine grinding on the structure, you must use the
recommended device with grinding dust extractor facility.
The work area must be cleaned with the recommended explosion-proof extractor system.
High dust concentration, explosion hazard!
2.0 Grinding outer shell and structure
Do not use any abrasives (grinding wheels, paper, etc.) which contain iron (risk of corrosion).
Always replace abrasives which have already been used to treat steel (risk of corrosion).
Use stainless steel wire brushes only (risk of corrosion).
Reduce speed of grinding machines. Excessive speeds cause a smearing effect.
Do not use coarse abrasive grains (only > or =. 80).
Do not grind notches into the material (risk of cracking).
Do not grind the material thin.
Grinding Steel Parts
1.0 Recommended tools and equipment
- Tools are recommended for manual grinding work.
- Machines/equipment are recommended for machine grinding work.
2.0 Grinding outer shell and structure
Always replace abrasives which have already been used to treat aluminum (risk of corrosion).
Do not grind the material thin.
READ NEXT:
Handling Airbags And Restraint Systems
1.0 Airbags and restraint systems
On vehicles with airbags and restraint systems, observe the relevant
safety instructions.
During straightening work on the body, you will be exposed to the risk
Installation Of A Cavity Seal With Cavity Foam
Sourcing reference for cavity foam.
IMPORTANT: The cavity foam may only be use for cavity sealing at the
points at which cavity
sealing is present as standard!
The following repair represents the rep
Opening Adhesive Bonds
1. 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 weldi
SEE MORE:
Removing And Installing/Replacing RDC Receiving Antenna
Necessary preliminary tasks:
Remove front left underbody panelling.
Disconnect plug connection (1).
Gently press retaining tabs apart in direction of arrow and remove receiving
antenna (2).
Fig. 9: Removing Receiving Antenna
REMOVING AND INSTALLING/REPLACING AN RDC TRIGGER TRANSMITTER
(FRONT)
Regulator
MANUAL EMERGENCY RELEASE OF TRANSMISSION LOCK
In the event of a power supply interruption, e.g. flat battery or electrical
fault, the transmission lock must be
manually released, otherwise the wheel will be locked and the vehicle cannot be
moved.
IMPORTANT: Secure vehicle against rolling, e.g. wit
