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F11 air suspension bag - aftermarket parts
My 535D has started to sag on the near side, occasionally. Compressor pumps it up ok. I suspect it's a leaking air bag, which I had on my previous 530. My question is, what brands of replacement unit should I go for?
The BMW OEM parts are ridiculously expensive, and questionable build quality. The Arnott units are very good indeed, but at over £200 each. There's address lots of cheap (Chinese?) units on EBAY, but I wonder how long these would last. Does anyone have experience of Apec or Dunlop air bags?
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