on board computer

Hello there! So a little while back my battery went flat and i needed a jump start. Unfortunately the leads were attached to the wrong terminals and then left on for about a minute. A major error I know. Since then the electrics have seemed fine for the most part (windows, signals etc) but the...

I have a 1988 e30 and it wont start unless I bypass the code relay. There is no power to the ignition coil unless I short across the code relay in the on board computer relay box, then the car fires up and runs just fine. I am not sure what the function of the relay is exactly. It is controlled...

hi guys - so here's my problem. i have an 05 645Ci, i-drive and everything. anyway, i had my car detailed yesterday and when i got it back the mileage averages/range that displays on the dash panel is just GONE. If you know what i'm talking about, there are 2 small trapezoidal type...

I have seen several of the discussions on this board and on several other boards about trying to fix a difficult to read on board computer display. I changed out the bulbs and it fixed my clock and date to where they are very clear and easy to read. However, changing the bulbs did not fix...