Hey guys, I just added coolant to my car. Everytime I start the car it says its low, so I checked the reservoir and it looked bone dry. I bought some coolant from 7-11, it was a 50/50 mix of antifreeze and coolant...should I have bought BMW OEM coolant?? Did i just screw up my cooling system?!?
Car for sale: Black saphire 335i coupe, coral red interior, BMW performance kidney grill, 6 speed manual and 35% all around tints