Observe procedure for REPAIR STAGE 3.
Read contents of BODY, GENERAL.
Following new body parts are required:
Removing the engine support side frame connection: Open welded connections in areas (1).
Open welded connections in areas (1).
Remove engine support/side frame (2).
Open welded connections in areas (1).
Remove reinforcement (2).
New part preparation
Open welded connections in areas (1).
Remove engine support (2).
Installing the engine support side frame connection
Install and weld new parts.
NOTE: First, the reinforcement of the engine support side frame connection must be installed and welded for reasons of accessibility as a separate component.
NOTE: The bulkhead cross member (1) is filled with low-flammable cavity foam.
In case of smoke formation, stop the welding procedure and cool the welded area with compressed air if applicable.
REPLACING ENGINE SUPPORT/FRONT RIGHT SIDE FRAME CONNECTION (FRONT RIGHT WHEEL ARCH REMOVED)
The work is identical to replacing the "ENGINE SUPPORT FRONT LEFT SIDE FRAME CONNECTION".
BMW X3 Service & Repair Manual > Troubleshooting: Instructions for welding work (overload protection of control units)
CAUTION: Follow instructions for body repairs.
When performing welding work on installed control units, to avoid any defects in the electronic control units,
observe the following steps:
Observe instructions for disconnecting and connecting battery.
Detach terminal of battery negative l ...