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OK... I read a technical paper by BMW engineers where it explained that the N54 does not cut boost during a quick upshift, it cuts ignition timing. So I'm not sure what the purpose of that feature is.
How do you avoid revving past redline on a no-lift-shift? Does the software just hold the engine right at redline until the clutch is engaged in the next gear?
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For Sale: 2009 335i 6MT (E92/N54), Sport / M-Technic / no iDrive / Black Sapphire / Black Dakota Leather, ZCW, 6FL, PDC, 19" VMR VB3, Pilot Super Sport, M3 control arms + tension links (fr) S. California |