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      06-14-2012, 06:51 PM   #2
Chriztofor
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Drives: '06 325i and '13 X5
Join Date: Feb 2010
Location: Chicago Burbs

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Quote:
Originally Posted by nhhiep
My 06 325i at 71k miles.

My dealer quoted $165 to drain and refill (is it different from flush?) coolant. The coolant is only $25, so I am hoping to do it myself.

I searched and didn't find any detail steps/DIY guide for E90 N52 engine. Does anyone know?

Thanks
You are not searching hard enough. I believe member eninty has a very good DIY on the topic. Check DIY and maintenance sections
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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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