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Old 09-02-2012, 07:20 AM   #6
Registered User
Join Date: Nov 2010
Location: Country NSW
Posts: 95
My Ride: E46 318i
fill very slowy and watch the float using only distilled water untill the foat read full do not over fill or this will be sure way u need to replace the tank on the side replace cap. if needed BMW used 50/50 mixture . or even just check to see if the float is in the right stop before filling i had my senor go in mine and sence it said it was low i over filled it not good idear.
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