I used polyair airbags in the rear of my 130 and never had a problem with them. Except that they just weren't designed to hold as much weight as I carried when I put our camper back on the tray. I now have a complete airbag system replacing the coils and I'm still not convinced just yet.
The inner airbags should be fine for 2-300 kgs though. You have to inflate them before you load the vehicle though and then adjust the pressure after it's loaded to bring the height to your requirements.
Ive done over 120,000km with mine and there is no visible wear as such. No chafing where the spring sits against the bag at all.



 
						
					 
					
					 
				
				
				
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					 Originally Posted by ozscott
 Originally Posted by ozscott
					
 
						
					 
			
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