I might have bad struts. I had new front suspension done a couple years ago on my 4.8is except the air springs. All tight and good until I replaced this year the air springs. I went with new Arnott struts, not reman. Now, no leak but when I get over the speed bumps for example I get a strong BANG. It feels like the struts don't hold and the BANG is because the wheels are pushed to the end of the strut. Did you guys find this with arnott front struts?

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4.8is 2004 imola red
4.8is 2005 Black on Black - DINAN/2 sold
4.4 2004 X5
2003 330xi
2008 328xi - sold
4.4 2000 X5 - sold