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      11-15-2012, 08:55 PM   #18
S.335XI.L
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Drives: 2011 BMW 335 xi
Join Date: Jan 2011
Location: Canada

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I've also had this surge once in a while but the highest it has ever reached was 1200 RPM (before engaging the turbos)
I would think it might be a way for the car to warm up but don't take my word for it.
My vehicle also seems to have a dip in boost after 3000 RPM and I can actually feel the wheels losing the power.
Not sure if it's an xDrive thing. My car has around 21000 KM.
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Sold 2011 E92 335i xDrive | Black Sapphire | 6MT | Black Dakota Leather | Bamboo Anthracite Trim | Nav | Exec | M-Sport | 18 M star spoke alloy - style 193 M | 28% Front, 15% Back | Remus Race Quad Exhaust | Duke Dynamics CF Diffuser
Current 2012 F30 335i Sport Line | Glacier Silver | 6MT | Black Dakota Leather | 15% all around
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