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Old 22nd August 2017, 10:23
Welshkiwi Welshkiwi is offline
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Question A holler for advice - Z3 frontal impact protection

Hi guys,

I have luckily found a thread from a compadre in NZ that had some issues with the frontal impact regs and the front bumper being removed. As this assy has impact absorbers in it for low level (2.5MPH) crashes, it seems unclear whether this removal goes against the certification regs or not. So my question is:

Does anyone have any info on whether the bumper construction and energy absorption mounts for this car (Z3) is classified as part of the frontal impact structural systems etc?
Can anyone tell me exactly what kind of structure gets removed as part of the front bumper assy. I can find the energy absorbers (Qty 2) but what is the bumper generally constructed of and sub strengthening?

I will need to talk to the certifiers about this.
Reason for asking is the NZ LVV standards state:

A production low volume vehicle that has reached 14 years of age or more may
feature modifications that could affect any crumple zones or other energyabsorbing
measure incorporated by the vehicle manufacturer within the frontal
impact protection system, provided that:
(a) any removal of material from, or modification to, any crumple zone areas
or other energy-absorbing measure, or areas forward of those crumple
zones or other energy-absorbing measures, is minimal; and
(b) any chassis rail or sub-frame rail bridging components provided by the
vehicle manufacturer (such as structural tie-bars behind the front
bumper) are not removed or significantly modified.

Much appreciated for any advice can be shared, I am not feeling it is a total deal breaker, but it may end up as too much potential for "variance" which may risk bringing the kit in altogether.

Cheers Mark.
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