BMW X5 AUTO RIDE

Hi I Have The Self Levelling Suspension Not Working Flashing The Comes On Every Time The Ignition Is Turned On The Fault Doesn't Flash Up...

The Back End Of My X5 Sags, I Know This Is Due To The Air Suspension, But What I Do Not Know Is How To Test At What Level The System Has...

I Have A 2008 Bmw X5 Previous Owner Said The Back Driver Side Air Bag Is Out And It Leaned To One Side When I Got There It Was Setting...