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General E46 Forum
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Old 01-18-2013, 08:37 PM   #1
RonJon
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Ethylene Glycol Antifreeze vs. Regular antifreeze..??

hey guys. I live in Atlanta. The temperature here fluctuates alot. well, about a week, and this morning, the temperature was below 45 degrees. each time my coolant light came on briefly, and eventually went off. I want to know is it mandatory that I replace the coolant with bmw coolant or is it ok to put regular antifreeze in the reservoir? it's a 2002 bmw 325ci.
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Old 01-18-2013, 09:06 PM   #2
dmax
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If you only need a cup or two, and I hope that's all it is, just use distilled water. Otherwise, it's best to use the same stuff you have in there in a 50/50 mix. If you don't know what that is, distilled, until you need to use more of it.

Monitor level accurately...in a.m. on level ground...so you can tell if you're losing coolant from a leak, or just had a very minor long-term seepage.

Look for leaks...remove underskirt and look with good led. Depending on what you've done already...you might want to consider overhaul and be done with it.
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Old 01-18-2013, 09:09 PM   #3
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Suggest a mix of BMW Antifreeze and distilled water if you do not want issues.

BMW Dealer or Olympus Auto Parts usually has both Gallon and Liter bottles.
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Old 01-18-2013, 09:13 PM   #4
dwtaylorpdx
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Xerex G05 is for European cars as well. Specifically for the all aluminum engines...

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Old 01-18-2013, 09:17 PM   #5
jfoj
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I believe Pentosin is the manufacturer of BMW coolant?

Check your local Import parts stores and see if they carry a suitable substitute or BMW coolant.

http://www.pelicanparts.com/bmw/tech...lant-Flush.htm
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Old 01-21-2013, 11:35 AM   #6
hummer
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Isn't all coolant these days ethylene glycol? It may be colored blue, green. pink or orange. But, you shouldn't mix ethylene and propylene if that's what you mean.
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Old 01-24-2013, 01:21 PM   #7
RonJon
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thanks for your input guys. I bought an all purpose anti-freeze that was supposedly for all makes, models, and colors of antifreeze. I only had to pour about a 1/2 of a quart, and that topped it off. My coolant light has not come on since. My car never over heated, and my temperature gauge has really never been past 1/2. Thanks again....
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Old 01-24-2013, 02:19 PM   #8
bumere46
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drain that sh*tt asap
put bmw coolant
trust me
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Old 01-24-2013, 04:19 PM   #9
jayb328i
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Do it right, use the BMW coolant (blue) or the identical product. The AM auto stores do not usually carry it. Do not use the green stuff.
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Old 01-24-2013, 04:22 PM   #10
TiALT6
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If its an emergency, use what you have. But i wouldnt leave that all-purpose coolant for a prolonged period of time.
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Old 01-24-2013, 04:27 PM   #11
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Just search the forum for your answer....There's a new thread every other day about this so shouldn't be hard ....
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Old 01-24-2013, 04:31 PM   #12
WDE46
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If you already had BMW coolant in there, then the best course of action would just be to top off with distilled water. Since you are in Atlanta, you don't really need the 50/50 mix.
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