IMPORTANT: Aluminum screws/bolts must be replaced each time they are released .
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification: Jointing torque and angle of rotation must be observed without fail (risk of damage) .
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .
Necessary preliminary work:
Release connector (1) and remove.
Release screw.
Remove pulse sensor (2).
NOTE: Check stored fault message.
Delete fault memory.
BMW X3 Owners Manual > BMW Advanced Diesel: Have the diesel exhaust fluid
replenished
The reducing agent is added by the service
center within the context of regular maintenance.
It may be necessary to have the fluid replenished
several times under particular circumstances,
e.g., if the vehicle is driven in a particularly
sporty style or if it is driven at high
altitudes.
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