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Home >> BMW >> 2003 >> Z8 Base >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Body Shell - Z8 >> Body Shell >> Components >> Rollbar

Body Shell: Components: Rollbar

The fixed rollbars are made of high strength extruded aluminum sections.

The rollbar is fitted in a sleeve, to which it is insulated by a cushion of vulcanized material.

This vulcanized material can deform under heavy load allowing the rollbar to move within a predetermined range. Therefore; the rollbar can reduce forces to the head in the event of a rear end collision.

To ensure the body mounts are not damaged by the very firm rollbar under extreme load, the rollbar features defined deformation points at which it can kink without sheering.

Fig 1: Identifying Rollbar Sections
G03397245Courtesy of BMW OF NORTH AMERICA, INC.

The rollbar is connected to the body mount by a sleeve.