See also:

Before mounting
If the rear seat backrests are adjustable: Before mounting child restraint fixing systems, return all of the rear seat backrests to the basic position. ...

For the 530i, 535i, 550i, 525d, 530d and 535d: check oil level
The concept The oil level is monitored electronically and displayed on the Control Display. Requirements ▷ The engine must be running and warm after the vehicle has been driven for at lea ...

Coolant
General information Danger of burns from hot engine Do not open the cooling system while the engine is hot; otherwise, escaping coolant may cause burns.◀ Suitable additives Only use su ...