BMW 740I Owner's Manual page 120

Roof-mounted luggage rack
*
119n
Secure the roof luggage correctly and
tightly to prevent it from shifting or be-
ing lost during driving (danger to follow-
ing traffic).
Drive smoothly: Avoid sudden accelera-
tion and braking maneuvers, corner
gently.
The roof load increases aerodynamic
resistance: Increased fuel consumption
and additional stresses on the vehicle's
body result from this.
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