What is the normal idling rpm?

[vnwt]

Hi All;

On a hot day with the air con running, what is the normal idling rpm for the MCSa?

In my country, the normal rpm is set at abt 750-800rpm. With the air con running and the car idling for a period of about between 1min to 3mins ( traffic jams or traffic lights ), the rpm will jump to 1000-1100rpm; this is esp prominent with the air con, radio and lights on;

According to the service advisor at MINI, this is a high load ( high current ) condition;

Problem is when the car is at 1000-1100 rpm and the the gear set at D; the whole car vibrate; it is bearable at P or N position;

Is this problem unique to cars in my region ( country )?

To experience this rough idle, place the transmission in D at idle and wait for abt 1-3 mins; when the high load condition kicks in, there is resonance and the whole car vibrates;

All suggestion or solutions welcome;

Thanks in Advance