In the passenger compartment, the strengthened frame around the
A-pillars and windshield acts as a rollover bar.
4 "' & 5:* 4 "-8": 4 */ 5 ) & 4& 3 * & 4
Safety
Not all collisions can be avoided. That’s why every BMW is designed
to help minimize the impact on you, your passengers, and those
around you. When BMW engineers developed the 1 Series Convertible,
their concern was equally on safety as it was on fun. Thanks to BMW’s
innovative production process, this design achieves a degree of stability
that is on a par with that of the Coupe.
This safety engineering starts with the body. Because a convertible
does not have the added support of a roof, it requires added body
stiffeners. Extra strengthening of the underbody, skirts and door
areas give the body structure extreme torsional stiffness. At speeds
up to nine mph, impacts are absorbed by bumpers and compressible
crush tubes front and rear. At higher speeds, the body is designed to
deform in a predetermined pattern, routing impact energy around the
passenger cell. At the front, the strengthened windshield, featuring
reinforcements in the front A-pillars and cowl top panel, acts as an
integrated rollover bar.
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