Originally Posted by Eurostyle
^^^There is NO coolant hoses on the right (passenger) side of the E39. All are on the left side, running to about half way on the firewall, so check left side and middle of engine bay.
You're right, no hoses on the right side of the E39 but I'm refering to the heater hoses just to the right of and under the CCV and connected to the coolant manifold that bridges both banks of the engine.
I forgot to mention that the engine cover will have to be removed to see the hoses.