Hey everybody, I talked to BMW Canada and they said they "would consider helping" if it was there active tank but only if it was dealer diagnosed.
Took it to the dealer, they ran the bill up to $487 bucks and told me the number 4 engineer management fuse was blown. (Actually, the sock puppet behind the desk said it was the number 10 fuse. I said, "you mean it's a 10 amp fuse". He said, "No, it's the number 10 fuse. Is written right on it. I didn't kill him on the spot. Wanted to, didn't.)
Anyway, I'm waiting to get Carly but in the mean time I'm going to start unplugging things on the circuit, replacing the fuse, and power it up to see if she blows!
I already unplugged the transfer pump under the passengers side front floor. At least I think it was a transfer pump, right in front of the air suspension compressor...
Next, I was going to go after the active tank. I'll pull the inner fender liner out tomorrow, unplug the tank, replace the fuse, flash it up and see what happens.
I have a question though...
.1 when I unplug the tank, am I going to kill it? If the system runs out of urea, it shuts down and you're on a flat deck to the dealer.
.2 would you guys have an order of things you would unplug and check that might be more suspect than others? I would think anything like a pump would be more prone to failure than something like the egr that's on the same circuit?