/pedant hat on
Freon, also known as CFC12 or R12 hasn't been used in cars since 1993 because it was a major cause of the hole in the ozone layer. Anything 94- uses H134a/R134a. If anyone tells you they are putting Freon in your car, question their technical ability.
/Pedant hat off
Be careful with water leaks in the M/N62 series engines. Sounds like you got very lucky. They are very prone to overheating damage requiring the heads and block to be skimmed. Hoses do fail sometimes but after replacement, I would look into if there's any pressure issues that caused the hose to fail.
Also, very good advice to wait for an engine to cool before you add any cool fluids to it. Basic physics, metal expands and contracts. If cold water hits part of a hot engine, it can cause that part of the engine to cool down faster than the surrounding area which can cause it to crack.