Update:

I took the pump apart and cleaned it, fiddled with the round piston gasket, lifted the small gaskets cleaned it, put the pump back together, I have driven 100 miles no error (knock on wood) the rode height adjuster button doesn't work correctly..only the front of the car lifts, the back doesn't, the pump runs occasionally but not excessively. I am going to get my guy to calibrate it and see if we can trouble shoot some more..but my inactive light is gone...for now..again knock on wood..just providing a update

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2013 X5 35D
2015 F350
2009 E90 M3
2007 GT3
1996 993 C4S
1991 964 Turbo
1994 D90
1989 E30 M3
1988 E30 M3
1972 cutlass supreme


-sold-
1993 E34 S52 supercharged wagon
1988 E30 M3 henna
2002 E46 M3
1997 E36 M3
2001 X5
2006 4.8is
1998 e36 M3 track car
1995 e36 M3 track car