Necessary preliminary work
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 328xi, and 2010 BMW 328i. However, it is still accessible from the selected car via links, so may be relevant.
- Switch off ignition.
- Clamp off NEGATIVE BATTERY CABLE .
- Remove MICROFILTER HOUSING .
IMPORTANT:
Follow instructions for REMOVING AND INSTALLING CONTROL UNITS
IMPORTANT:
Read and comply with notes on NOTES ON PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION)
.