temperature dropped enough last night that in a morning I shut the a/c off - pushed the snowflake button to off.

within minutes (1-2) the temp gauge shut up to HOT RED and i shut the engine off. Turned a/c button on, and temp gauge is back to normal quarter mark. Engine ran only about 1-2 minutes and outside temp was around 40F so its normal.

i tried one more time and with a/c off the temp goes up pretty quickly.

I bled the system a few weeks ago (upper/lower hoses, tank was off, etc. lots of work on the front) and temp gauge with the a/c on was a rock steady straight up.

I noticed that the car needed lot more time to heat then any other car of mine but no other symphtoms.

Could it still have air in the system ?

1997 BMW 840CiA
1990 BMW Z1
1999 BMW 528iT (Hauler mobile)
2002 Astro Van AWD
2003 Nissan 350Z Enthusiast Package
1987 BMW 535i with 5spd manual (for sale)
1992 BMW 735iL (needs head and interior)
1977 BMW 320i (project racecar)
2007 Mazda CX9 AWD (Wife mobile)
1998 Yamaha Blaster+Breeze

1995 850CSI CD00177 (SOLD)