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Old 01-02-2013, 04:00 PM
noka noka is offline
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Location: MA
 
Join Date: Jan 2003
Posts: 343
Mein Auto: 2013 x35i M-Sport
Quote:
Originally Posted by 02420X3 View Post
Noka,

My warning came up after 20K miles, on a few cold mornings, and went away as soon as my X3 warmed up. I would have dropped by the dealer on the (long) way to work, but I had an oil change scheduled soon. Instead, I splashed a few ounces of bottled water into the reservoir, no more than 2-3 ounces, and added "top up the coolant" to my service list.

Don't waste money on coolant, which the dealer will top up for free. Instead, spend the money on brake dust cleaner for your wheels. You'll need two.
OK, I might have over-reacted, especially if it was only a couple of ounces (and assuming you could easily see the reservoir to be able to determine that it wasn't down that much). I'd be more concerned if it needed more than that and possibly diluting the mixture too much. I wonder if there is a sensor design problem (e.g. bad placement, over-sensitive, etc). One thing for certain, in a well-designed system you should not need to add coolant.
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2013 x35i (Space Gray, MSport, CW/CWII, DHP, Premium, Premium Sound, Technology, BMW-Apps)
Retired:'09 C300 4Matic, '09 GTI, '06 750i, '05 C55, '04 R32, '03 M5, '02 GTI, 01 M5, '00 M-Coupe, '00 540i/6, '99 M3 Coupe, '98 M3 Coupe, '96 328i, ..., '86 4000CS Quattro, ... too many to list
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