Loose

Looks like it's not the wire. Put in a new fuse and tried it without the water power wire connected and it did not blow up. Then I tried with water pump power connected and blow it up instantly. Probably cause its not a OEM water pump. I'm just going to have it fixed by euro surgeon tomorrow.

Hi I've just seen that some coolant has leaked into the inside of the power adaptor that connects to the water pump, this many have caused the issue. I've taken the water pump out and currently cleaning the coolant off the wire and the 4 pin connector of the water pump. Will try to put in a new fuse while the power wire is out of the water pump and see if it still instantly blows up the fuse. Thanks for the help, will keep you updated.

Hi all, I've got a BMW 335i 2008 with 81km, Sedan, stage 2 tune and mods. Recently I've had a problem with my water pump not working and ends up over heating the car. With some research and looking at forums other BMW owners had the same problem, where car would over heat and big radiator fan would kick in. So I ended up changing the water pump and thermostat to a new one. Topped up with coolant and tried to do the blend process but water pump does not seem to come on. Also saw that someone had the same problem as me where he had new water pump and thermostat but water pump would not turn on, he ended up changing the fuse in the ECU box and it fixed his issue. I ended up opening the ECU box and finding out that the fuse has blown. So I rush down to the shop and grab a new fuse (exactly the same fuse) put it inside the same spot as before and instantly it blow. I've called my friend and told him the same story and he determined that its a short circuit somewhere in the wiring of the system something along the lines of some wire not being grounded that causes the problem. My question is does anyone know what many be causing this issue? and how would I fix this? Any help would be much appreciated and welcomed as I've been trying to fix this for quite something now and completely lost. Thanks