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      04-06-2013, 04:29 PM   #4
kscarrol
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Drives: 2011 E90 M3
Join Date: Jun 2010
Location: New Orleans, LA

Posts: 2,114
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Agreed, likely the lag issue but do check which drive logic mode you are in. I have found that if you are in 4 or 5, the throttle blip when downshifting can cause a feeling that the car is surging. Especially if you are expecting some engine braking with the downshift!
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Current: 2011 Space Grey E90 M3, DCT, Comp. Pkg., Conv. Pkg., everything but Cold Weather Pkg!
Gone: 2008 550, Space Grey, Sports Package, Sport Auto Transmission.
Sold: 2004 545i (U.S.), Steptronic, Silver Gray.
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