everytime i turn on the ignition i have to reset the time it works great untill i turn off the ignition, when i next turn it on i have to reset it again as it is flashing --.--
also the average mpg
and average mph are also reset every time the ignition is turned off
the car is a 2006 facelift x3 2.0d se
any one any ideas why this is happening?
thanks