See also:

System limits
Sudden tire damage Sudden serious tire damage caused by external influences cannot be indicated in advance. A natural, even pressure loss in all four tires cannot be detected. Therefore, check ...

Tire inflation pressure values over 100 mph/160 km/h
320i   328i 335i ...

Mounts for the lower LATCH anchors
Correctly engage the lower LATCH anchors Make sure that the lower LATCH anchors have properly engaged and that the child restraint fixing system is resting snugly against the backrest; oth ...