Mines good. After 5 minutes running from cold it's ready to measure. Might I take this opportunity to ask why the car revs itself to a steady ~1100rpm when measuring?
2006 BMW E60 520d SE 6MT
2009 BMW E90-LCI 330d SE 6MT
Current: 2012 F30 328i Luxury 8AT
2015 Audi A6 Avant Ultra, Black Edition (sorry!)