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X3 E83 (2004 - 2010)
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Old 08-06-2011, 02:17 PM
X3emist's Avatar
X3emist X3emist is offline
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Mein Auto: 06 X3 Sport
Which type antifreeze to use?

Checked mine, first time in a long time and the float was not floating at all. Probably headed to the dealer for an oil change soon and since I am still under CPO will probably go to dealer so they can give it the once over. There may be a small leak somewhere but you can't tell without pulling that dang pan off under the vehicle.

But, just for general knowledge which type antifreeze can you use? The manual does not provide specs. Guess I can pick up a gallon at the dealer, sure that will be cost effective!
2006 X3 Silver Grey/Black Lthr/Alum Trim/Sport Prem Pkg/Xenons/Servotronic/Prem Sound/Satellite Radio/Heated Seats/Carbon Fiber Pillars/Blue Tooth/Aux In/Cargo Net/Aluminum Pedals/V1 Hardwired
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Old 08-06-2011, 07:31 PM
Supercourse Supercourse is offline
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Mein Auto: 2004 X3 2.5i
May just be the BMW propensity for using up coolant as a normal occurrence.

If there is a leak, it's most likely around the expansion tank - easy to check for white stains on the black plastic.

CPO or not, it seems that most dealerships will top you off with their blue product if you just drive by and ask.

Or, just top it off yourself with distilled water this time.

It won't take much to float your float or you would have received the low coolant warning light.

Some other European brands may use the same coolant, Glysantin-48, but the price will be not much different.

The color may be different, which when mixed with the factory blue, gives a misleading visual cue as to what really is in there.

Zerex G48 is thought to be the closest, having no phosphates, nitrites or amines, and specific amounts of organic acids and silicates.

I think that is colored yellow, or maybe green, so you end up with a green or brown mix respectively.

About $12 vs. $22 - best to stay with the BMW blue I'd say.

Not mentioned in the Owner's Manual because it is considered a lifetime fluid?
Or because they anticipate they may want to change to a new formulation over time?
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Old 08-07-2011, 07:12 AM
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AzNMpower32 AzNMpower32 is offline
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Mein Auto: 2006 325i; 2015 Yamaha R3
The BMW antifreeze is not unduly expensive and so I'd just go with that. I changed mine out at 85k miles which I think is a reasonable interval.
Current consumption: Spritmonitor.de
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