Yes, Bruno has slowly been buying out the cars from Azzurro Racing Team who were the specialist S4 up until now... They still own 3 chassis I think but they are trying to sell out everything...
http://www.azzurroracingteam.com/
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And these are two of their chassis still up for sale:
http://www.autoscout24.ch/AS24Web/Detai ... ge=1&row=3
http://www.autoscout24.ch/AS24Web/Detai ... ge=1&row=4