It also sounds like your gauge or your temperature sensor is acting up (very common in e30's, e34's, e28's).
BEAUTIFUL 750! I hope to own one in the future.
www.enthusiastauto.caNeed a car???
--'00 BMW ///M5 .:Jet BLK/BLK:.Individual- Modded
--'07 BMW M5/6.:Indianapolis Red
'91 BMW 850i J Spec Modded
'88 BMW 635CSi Lowered
'81 MB 500 SEC Koenig WILD RIDE