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      09-25-2013, 06:46 AM   #1
WhiteFury
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Drives: 335i
Join Date: Sep 2013
Location: NJ

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2011 BMW 335i  [2.40]
Update for Engine Control Module. Should I Update?

The BMW dealer says they have an update for my CPU and its going to cost me $140 plus tax. They say it will fix my idle surge I have on cold starts. I asked if it my tweak or make anything better performance wise and he said no it will probably take some out. I am like what?

What do you guys think?
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