Did it set off any constant codes prior to taking the car in? Or is it something you just have to look for? Now it doesn't seem low all the time. It wouldn't be able to keep the air shock inflated?

sorry for all the questions

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2005 545i Sports/Prem Package
(Retired) 2003 X5 4.4i-sport package, cold weather package, OEM trailer hitch, 20' replica metallic pewter 215's, X-pipe, Navi w/ custom splash (MUFC logo), cross drilled brembo rotors with Akebono ceremic pads.