Generally, tyres are pumped up tougher since the autos may well sit while in the lawn a while so it’s improved to keep them really hard so they don't deform. Proton gave that as one particular cause although it was also thought that the technologies for plastic bumpers was pricey https://saga-aeroback87529.daneblogger.com/33072400/saga-aeroback-can-be-fun-for-anyone