Exploding E39 cooling systems!

[carjoe]

Ok, not really but my car burst a hose or something tonight. I'm puzzled because I'm really not sure where it was leaking from.

As I pulled away form a stop sign, the car stumbled and left a trail of coolant and started to spew steam from the engine bay.

When I pulled over to find the leak, I couldn't see it. It was spraying coolant all over the road from the back of the block. I'm hoping it's just a heater hose...

So yeah, got the car towed to the local indie and we'll see what they say. I fully intended to do everything on this car but I really couldnt tell where this leak was coming from.

Any guesses? I'll update when the mechanic calls tomorrow. Correct guess gets a virtual cookie.