Heating problem

[Guzzi]

Does anyone have a diagram of the heater hoses and where they connect. I just got hold of a semi rebuilt 1988 525 and have no idea where the cooling system plugs into the heating. Any help would be appraciated

Regards

[Paul in NZ]

so 88 525,is it a very early e34 or is it an e28?

[Guzzi]

E34