523i Overheating

Hi,
Just joined the forum and wondered if anyone could help!
My 523i tourer was running fine untill the water pump failed, after having this replaced along with the pulley I now seem to be experiancing an overheating problem worse when the blower is turned off in the car. From what I can see the car is not loosing any water and the pipes from each side of the radiator maintian their pressure.

Any Ideas?

Hi, I have moved this to the tech area for you, its best placed there...

It could still be air trapped in the system. bleeding can be a nightmare with the these beemers... try this procedure...

1.Jack the front of the vehicle up onto stands as high as possible,
2.Turn the ignition on,engine off,heater on fan setting 1 and temperature fully hot,
3.Remove the rad cap/expansion cap,remove the bleed screw from the rad and IF you have them the bleed screw(s) from the thermostat housing/top hose, return pipe or EGR thermostat.
4.Fill the radiator up and keep pouring till there are no more air bubbles coming out from the bleeds, when good then install bleeds and tighten down(don't snap them),ensure the rubber O-rings/seals are still on the screws/on the bleed holes.
5.Replace the cap and then start the car. Run her up and check for heat from the vents when warm and check if over heating still persists.
6.If good then check the water level again in the morning when cool.

Also, after you are sure no are is still exsistant, then did the water pump via impeller breaking up? did it overheat?

thanks

Thankyou so much for your advise this seems to have solved the issue.

Thanks again.

Alex.

Thats great news alex...

good luck..