The disclosure concerns a dispensing system having a multi-tower modular dispensing system that includes at least a first dispensing head and a second dispensing head at a counter and a transfer unit located remotely from the counter. Piping extends from the transfer unit to the counter. The transfer unit includes a centralized ingredient system having a plurality of beverage ingredient sources. The centralized ingredient system is configured to supply beverage ingredients to the piping for the dispensing of a first beverage at the counter. The piping includes a main micro bundle that includes at least two separate beverage ingredient lines.