BMW Advanced Diesel reduces nitrogen oxides in the diesel emissions by injecting diesel exhaust fluid reducing agent into the exhaust system. A chemical reaction takes place inside the catalytic converter that minimizes nitrogen oxides.
The vehicle has a tank that can be refilled.
To be able to start the engine as usual, there must be an adequate reducing agent.
Reducing agent is added by the service center.
Warming up the system In order to warm the engine up to its operating temperature after a cold start, the Steptronic transmission may subsequently shift up to the next higher gear.
BMW X3 Service & Repair Manual > Front axle gearbox: Check/change front axle differential oil
Special tools required:
00 2 080
IMPORTANT:
If oil is filled up to the lower edge of the oil filler opening, the front axle differential would be
overfilled and in rare individual cases oil could emerge from the ventilation opening on the
front axle differential.
After draining f ...