Thread: Wiper streaks;(
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      01-18-2013, 02:25 PM   #20
Chriztofor
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Drives: '06 325i Auto
Join Date: Feb 2010
Location: Chicago Burbs

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Clean wiper blades with rubbing alcohol. Get a piece of towel paper, apply rubbing alcohol to it, wipe the blade. You will see black crap come off the blade. Repeat. If that doesn't work then buy new wiper/wiper blade .
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If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger
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