red oil light and battery light

[kffootball19]

Ok so I had just finished putting in a water pump and thermostat in my 99 328i. I had test drove it for like 10 minutes to get all the air out of the system and to see if it still overheats with it hasn't so far. I was driving it and the red oil light and the battery light both came on at the same time. I shut the car off immediately. I waited about a minute then started the car back up drove it about 5 minutes down the road and the lights never came back on. I have driven the car a few times here and there and the light has never once came on either of them. I have oil in it and my belt is on and the alternator is not bad (did a system test on it). NEED HELP!!!!!!!!!!!!!!! Thanks

[legoman67]

I would have the oil system pressure tested to ensure your oil pump is working properly before you do much more driving.

[kffootball19]

My pump is working because if it wasn't then I wouldn't have made it home but its weird because my battery and oil light came on at the same exact time not one then the other

[legoman67]

sounds like probably an electrical issue then.

The oil pressure light only comes on when the oil pressure is basically non-existant. You could still have a low oil pressure situation and never see the light. If it were me id do it just for the piece of mind.