[THE-SCHNITZER]

i had Overheating a few days ago caused by leakage from heater hose , know the Problem resolved to start another problem. the RPM go up and down

can anyone help me please

 

[Torque]

Telling us things like the model and the year would go a long way of helping us help you.

 

[THE-SCHNITZER]

thanks torque for your reply
it's 93 325i (e36)

 

[CanadianWraith]

did you bleed the system properly? there are threads here to walk you through it

 

[marti5]

Could be your MAS dirty or on the blink, found between the throttle body and airbox, un plug it and see what happens, if there's no change its dead.