Issuing a warning
If the vehicle begins leaving the lane and a lane marking has been detected, the steering wheel begins vibrating.
If the turn signal is set before the lane is changed, a warning is not issued.
Canceling a warning
The warning is canceled:
▷ Automatically after approx. 3 seconds.
▷ After the vehicle returns to its lane.
▷ During heavy brake application.
▷ When the turn signal flashes.
See also:
High-strength body structure with extremely stiff passenger cell
The body of the new BMW 3-Series Sedan meets the highest standards across the
board. Large and extremely durable supporting structures and the intelligent use
of high and ultra-high-tensile multi- ...
Safety
Both the coupe and convertible have front airbags plus side-impact airbags
built into the front seats. As required of all 2012 models sold in the U.S., the
640i has standard antilock brakes and an ...
Roof-mounted luggage rack
Note
Installation only possible in roof drip molding
with flaps*. Your service center will be glad to
advise you.
Roof racks are available as special accessories.
Attachment
Follow the install ...