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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > Engine coolant....



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      07-17-2012, 05:24 AM   #1
rickyjones1209
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Engine coolant....

Just had a engine coolant level low warning.

Can this just be topped up with water or do I need proper coolant/antifreeze?

What's recommended for 335i n54 specifically if it matters?
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      07-17-2012, 06:54 AM   #2
makkan00
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Quote:
Originally Posted by rickyjones1209
Just had a engine coolant level low warning.

Can this just be topped up with water or do I need proper coolant/antifreeze?

What's recommended for 335i n54 specifically if it matters?
Buy coolant from dealer, but you have to mix it with 50% of water which can be distilled water or de-ionised water.
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      07-17-2012, 07:29 AM   #3
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FYI

There are known issues with n54 water pumps. First sign of mine failing was low coolant warning.

Keep an eye on the water temp via hidden menu's.
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      07-17-2012, 07:48 AM   #4
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what are the normal running temp?...

my needle is always exactly halfway in the middle....
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