1995 BMW 525i Coolant Leak

I bought this car a little over a year ago with 133K. After buying the car I changed all the fluids, replaced a few belts and chains, fans, brakes, rotors and other things and even replaced the head gasket. Even after all this maintenance though the car still drips coolant. I’ll drive the car and one day i’ll come out 8 hours after work and there won’t be a drop on the ground. Some days i’ll come out and there’s a huge spot. I’ve looked all over for a leak but I have no idea where it’s coming from. I carry coolant with me and i’m always refilling the tank but I’m concerned the leak could be getting worse.