Starting the engine by towing
Do not tow the vehicle or start the engine by towing if the electrical system has failed. In this case the electric steering lock cannot be unlocked and the vehicle remains uncontrollable. "Starting the engine with an external power source":
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Vehicles with automatic transmission must not be started by towing. Engines with a catalytic converter may be started by towing only when cold. It is preferable to start the engine using an external power source.◄
1. Switch on the hazard warning lights (observe the regulations of the country of travel).
2. Switch the ignition on.
3. Engage 3rd gear.
4. Start towing with the clutch pedal depressed. Then slowly release the pedal. Once the engine starts, immediately depress the clutch pedal.
5. Stop in a safe place, disconnect the tow bar or rope, and switch off the hazard warning lights.
6. Have the vehicle checked at a BMW service center.
Test yourself
A quick BMW X3 quiz: every answer comes with an explanation and a link to the manual page.