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      09-12-2012, 07:18 AM   #1
rickyjones1209
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Engine coolant low

I had this warning come on about 2 months ago so I filled the res up to max with bottled water (didn't have time to get BMW coolant). Anyway I'd planned to get coolant sorted in future but the warning light has come on again today. Surely I can't have gone through all the water in the engine so soon? Is it leaking from somewhere or is it coz I didn't use proper coolant?

The engine hasn't ever been any hotter than usual.
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      09-12-2012, 07:27 AM   #2
mistryn
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The things I dislike with these cars and under trays is that if you have a leak its so difficult to spot a leak. If you can get the under tray off and leave it overnight after a drive to see if there is a leak
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      09-12-2012, 09:06 AM   #3
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Quote:
Originally Posted by rickyjones1209 View Post
I had this warning come on about 2 months ago so I filled the res up to max with bottled water (didn't have time to get BMW coolant). Anyway I'd planned to get coolant sorted in future but the warning light has come on again today. Surely I can't have gone through all the water in the engine so soon? Is it leaking from somewhere or is it coz I didn't use proper coolant?

The engine hasn't ever been any hotter than usual.
Water pump is a firm favourite.
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      09-12-2012, 09:20 AM   #4
makkan00
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Quote:
Originally Posted by greatbm View Post
Water pump is a firm favourite.
+1 on 335i


Have you actually looked under the bonnet to spot any signs of leakage?
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      09-12-2012, 11:32 AM   #5
RichJ
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Where is the water pump on N53 330i? I may have a similar issue?
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      09-12-2012, 01:52 PM   #6
rickyjones1209
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Quote:
Originally Posted by makkan00
Have you actually looked under the bonnet to spot any signs of leakage?
Not yet but I will do. Will it be leaking from the water pump then?

Sounds expensive if I got to replace water pump?!
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      09-18-2012, 02:27 AM   #7
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I have the same problem and I have noticed there is a puddle under the car on the driveway.

Any idea on what the costs would be to have this fix?
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