BMW 316 X coolant loss

[Gasket]

The car seems to be losing water but cant see where from? We keep toping it up it doesnt seem to over heat.Its been in the garage twice firsltly the reseviour (where you put the coolant in)replaced and secoundly they said it was leaking from the thermostat.So three hundred pounds lighter iam P*ssed off.ANY clues

[rugeleyboy]

i had a 318i years ago, perhaps not with the same symptons but my water pump had gone? i would of thought the garage would of found the problem though??

[Donquixote]

Is it an E36 model (mid '98 - '05)? If so, the header-tank is a favourite. It's an unofficial design flaw that BMW are aware of...the facelift E36's from '02 onwards had their header tanks strengthened as a result.

[thebhoy]

waterpump? there is a valve/pipe at the exhaust area that is a common prob for bmws go back to the garage and complain they might/should give u some sort of goodwill gesture seeing as they have " diagnosed" the fault twice already but dont go all guns blazing if u complain!!! hope that helps