I purchased an 06 cooper S with 39k miles and want to reinforce the strut towers to prevent mushrooming. My questions are: Do you recommend reinforcing all four towers, front and rear? I understand that there is little room for adjustment to camber and caster in the stock arrangement. can I install camber plates and the reinforcing plates together? Is it likely I will need the additional adjustment which camber caster plates provide to properly set alignment to maximize tire wear? Does the installation of camber caster plates defeat the need for reinforcing plates? I also would like to purchase a large sway bar for the rear and was considering the Alta 22 mm bar because it is adjustable and can provide significant stiffness to the rear end. Do you recommend this bar?

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You do not have to reinforce the rear strut towers, they should be fine. If using a camber plate, it adds a good amount of material to the strut tower. I wouldn't think you need the reinforcement plate and the camber plate. The Alta bar is nice, however i would do your research and settle on something that fits your driving habits. I wouldn't recommend making the vehicle too harsh if you only drive it on the street.

- Nick