Removing and installing / replacing control unit for transfer case
WARNING: This page is about a different car, the 2006 BMW X3, 2005 BMW X3, and 2004 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Read and comply with notes on ESD PROTECTION (ELECTRO STATIC DISCHARGE)
After installation:
- After replacement, the "Repair" service function must be carried out with GT1 using appropriate scan tool.
- Replacement only: Carry out programming/coding
On vehicles before production date 03/05 the old diagnosis algorithm and in vehicles after production date 03/05 the new diagnosis algorithm must always be activated via encoding!
Necessary preliminary tasks:
Unscrew nuts (1).
Unfasten plug connection and disconnect.
Remove control unit (2).