Is your AC on?
If not, then it's too low.
Ac on 650rpm
Ac off 500rpm (which is the small white line in your pic)
2003 BMW 540i [Sterling Gray / Gray]
[Msport] [Mods from A-Z] [Two-Tone Interior]
PM for info
1 Set of E39 OEM Technical Graphite Interior Trim (Damaged) [B]$180 Shipped!