Rear Air spring adice please What to get and what to avaid

[willos]

I have a saggy car on one side and the pump is doing its nut keeping up with the air needed, so the rear air springs is on the next to do list
The cost vsries greatly on the replacement spring.  You can get 2 springs on the bay of flees for about £80 - 90 (looks like made in china)  but Arnotts ones come in the cheapest around £275
There are Aerosus ones for around £180 for the pair from germany
Has anyone had the cheap ones and are ok.  Im not even considering fitting BMW ones as i will fit as a pair when the car is 14 years old.
Thanks

[themoog]

Just get a couple of new air bags off eBay. They will do the job.

[pcdee]

I've had the Areosus ones and all is well still 3 years on

Sent from my SM-G900F using Tapatalk