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|5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)|
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| Originally posted by billB@Oct 16 2004, 09:58 PM |
Furious is right in that the green anti freeze tends to build up over long time in the coolant lines. In fact I had a first hand experience when I changed my engine the coolant lines had this sand like whitish colored build up in them. Though it won't be a problem for those who change it once twice a year. I'll stick with the dealers redish stuff from now on; the difference in pricing is not that much.
| Originally posted by billB@Oct 20 2004, 05:21 AM |
Red? The dealership by me always gives me blue stuff! I wonder what the difference is?
All cooling system antifreeze products are NOT created equal. Some is methanol based and some is glycol based. As you can see many people think antifreeze is antifreeze there is no difference. Not so fast!
In newer cars "silicate" is needed to protect aluminum engine parts and radiators from corrosion, and are used in virtually all antifreeze mixtures in different degrees (mixtures if you wish)
Furthermore* the redish/orangish antifreezes such as "Dexcool" are the antidote* for aluminum components. Since many new cars has an aluminum engine and radiator, the orangish/redish antifreeze would be preferred over the green antifreeze.
Pricing? Dealer too expensive? Take a look at this:
BMW coolant isn't that pricey.* Dealers do charge for it about $13 per gallon* and yes double price of the Green stuff at the auto store alas pepboys. But when it is mixed 50/50 it means you'll get 2 gallons of coolant. Is this SAFE and Cheap enough?
| Originally posted by billB@Oct 21 2004, 02:26 AM |
Although you made a very convincing argument; I agree with both 325is baby and LOS and It looks like I will continue to use the dealer stuff regardless. Now allow me to make my case please:
A. whether it is green, blue, red or pink it doesn't matter as long as:
(1) it is good quality stuff and
(2)* it gets flushed out at its recommended intervals. That is changing the antifreeze just like any other fluid-even it is so called life-time (that is tranny fluid)
(3) Though unrelated here: fluids do loose their chemical properties over time (I am* talking the life-time tranny fluid here-in my earlier post) My new position will be CHANGE IT..I don't have any COLD shifting delays anymore. As you know I did change it because of the flood...I thought I will loose the tranny...I did not ..runs way much better!! It was really very dirty DARK life-time fluid.
B. As you all know I just removed the whole engine out of the car and I saw what I saw (sludge; whitish alien things in the coolant lines/same held true in the tranny's) I did use the green stuff years ago ( I had the car since 1997) I did not know what I know now!
C. The whole point of the above argument (hence my reply to 635is)* boils down to this: When I pay double the price at the dealer and mix these colors (call it pink; red plus navy blue ice cream) with 50% water; I get double the volume; or better yet, the same price as the prestone at* the auto parts store. Why bother with auto parts if I can get it from the hourse's mouth...May be psychological? and Beel Z yes I do agree with you on the psychological parts but there is a* Russian saying: "If you choose to* sleep in a grave yard; don't complain about having nightmares. grave yards= some auto parts/gas stations. Check your Email for a little related true story!!
D. Yes we do know all dealers (not only BMW) DO NOT invent their own antifreeze; and many other things too...think radios, tires among many other components!! Did anyone ever heard of BMW brand tires?
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