Err 100% definitely no longer suspension arms from other vehicles that could fit.
I think you need to watch this You Tube clip. It will explain a lot if you are thinking of purchasing wider/larger diameter aftermarket wheels?
https://www.youtube.com/watch?v=6-S5Qicb31YNB: The rear suspension geometry of a Murena is completely fixed with no adjustment, the front can be adjusted, so be aware there are suspension geometry and mechanical safety implications involved with this project even with just fitting spacers on standard wheels.