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      12-03-2020, 11:41 PM   #10
misguided_will
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Australia
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Drives: 2018 BMW 340i M Sport
Join Date: Jan 2009
Location: Sydney

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I think I have the same problem on my 340.

I tried with and without the piggyback (tried dinantronics and activ8).

Hold at 4000rpm then floor it. Have tried in 1st and 2nd gear.

Can feels like it's blowing thru a straw then unleashes once it hits 5500rpm or so.

I have a vrsf catted and noticed this immediately after.

How can I diagnose and what's the remedy?
Appreciate 0