hi guys, question about my p38, my suspension seems ok i.e no warning lights but have noticed the compressor is working alot when in normal mode, it is not losing any air that i can tell i.e air bags not leaking and it seems to hold the air overnight, all other heights work fine and the compressor never over works on the other settings just wondered if this normal, it looks like it has had a replacement compressor recently, it seems to be on every other minute but only on normal mode, i.e motorway and high level seem fine, thanks in advance.