BMW X3 Service & Repair Manual: Body cavity sealing
It is only necessary to rewax or seal the affected area after repairing the body.
Only BMW approved products may be used to comply with the six year warranty against rust perforation.
These products protect cavities effectively and permanently against corrosion. Their excellent coating and waterproofing properties let them flow into all inaccessible corners and folds for unsurpassed overall protection.
UNDERBODY AND BODY CAVITY SEALING COMPOUND
For sealing of body cavities, such as doors, Apillars,
front, side and cross members, etc.
(Former BMW Part No. 81 22 9 407 479)
3M Part No. 8891
Wurth Part No. 892080
Also: Wurth "Brushable Seam Sealer", Part No. 8901021.
General information on preservation measures
The classic quality of BMW automobiles is based on the long-term
comprehensive research and testing, the
design, the applied materials and the manuf ...
Body corrosion protection
To comply with the six year warranty against rust, specially selected waxes
and additives produce an elastic,
temperature-proof,
corrosion inhibit ...
Other materials:
BMW X3 Service & Repair Manual > Auxiliary. heater with control elements: Removing and installing/replacing intake silencer for independent/auxiliary
heater
WARNING: Risk of burning!
Work on auxiliary heater may only be carried out when it has cooled down.
Necessary preliminary work:
Remove FRONT LEFT WHEEL ARCH COVER
Removal:
Pull air intake hose (1) off stationary/auxiliary heater.
Unclip intake silencer (2) in marked area.
Installatio ...