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Old 11-25-2012, 06:42 PM   #10
Registered User
Join Date: Mar 2009
Location: Walnut Creek, CA
Posts: 4,066
My Ride: 325Ci, 325Cic, C300
Prestone 50/50 (the one with no silicates, phosphates and other "-ates") since 2009 and 53k miles on the 325. No problems and no corrosion when I opened her up recently for a new water pump.

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