Water Pump Leaking - need help picking a new one

Q

Quijibo Jones

Member
Hi,

I've been losing coolant over the past few weeks and today had the time to find the source. A lovely leak right from the belt where the water pump is.

i'm looking to replace the pump and thermostat and hoping this might explain why since i got the car back on the road the heating has been luke warm at best!

there are soooo many cheap choices here https://www.autodoc.co.uk/car-parts/water-pump-10191/bmw/z4/z4-e85/17830-2-2-i i know the old adage of you get what you pay for so looking for advice on what to get.

Similar for the thermostat in terms of choices! https://www.autodoc.co.uk/car-parts/thermostat-10195/bmw/z4/z4-e85/17830-2-2-i

Basically - HELP :thumbsup:
 
i can get this Circoli https://www.eurocarparts.com/p/circoli-water-pump-201110121 and the thermostat for £70 with the black friday offer. delivered monday. No Gaskets with either though :x
 
I fitted a Wahler thermostat and Meyle HD water pump a year ago. Have had zero problems or leaks since so would definitely recommend these two brands :thumbsup: 20181110_153540.jpg
 
patriot66 said:
I fitted a Wahler thermostat and Meyle HD water pump a year ago. Have had zero problems or leaks since so would definitely recommend these two brands :thumbsup: 20181110_153540.jpg
Click to expand...
Do you remember where you got these from?
 
Quijibo Jones said:
patriot66 said:
I fitted a Wahler thermostat and Meyle HD water pump a year ago. Have had zero problems or leaks since so would definitely recommend these two brands :thumbsup: 20181110_153540.jpg
Click to expand...
Do you remember where you got these from?
Click to expand...
Both from Ebay sellers :thumbsup:
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F372693884487
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F372205226726
 
You get a new rubber o-ring in the box with the water pump. I lubed it up with a bit of washing up liquid before seating the pump in the housing in the block. No other sealant required. The thermostat has a rubber gasket built in to its plastic face. I ensured the mating face on the block was scrupulously clean and applied a very thin bead of RTV also as extra insurance :thumbsup:

Old waterpump with o-ring
20181113_115051.jpg
Water pump housing
20181113_115141.jpg
Thermostat housing20181219_233748.jpg
 
patriot66 said:
You get a new rubber o-ring in the box with the water pump. I lubed it up with a bit of washing up liquid before seating the pump in the housing in the block. No other sealant required. The thermostat has a rubber gasket built in to its plastic face. I ensured the mating face on the block was scrupulously clean and applied a very thin bead of RTV also as extra insurance :thumbsup:

Old waterpump with o-ring
20181113_115051.jpg
Water pump housing
20181113_115141.jpg
Thermostat housing20181219_233748.jpg
Click to expand...

Brilliant - thanks
 
Quijibo Jones said:
patriot66 said:
No problem :thumbsup:
Click to expand...
Ebays vehicle check suggests the pump wont fit. i shall have a look for one that does! mines 2005 2.2
Click to expand...
Check the part numbers on Realoem.com
I can't imagine any of the M54 engines having different water pumps :thumbsup:
 
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