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      02-22-2012, 08:29 AM   #58
Sleeper
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Drives: '23 BSM X5///MC
Join Date: Dec 2011
Location: North

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I'd like to see a retune and the resulting graph where boost is ramped up normally, ie. as quick as possible. I understand the reasoning behind ramping it up like a NA engine (drivetrain protection), but to me, that's not the point of a big turbo. By nature, the bigger turbo should hit full spool much later than the little twins, but still come on hard enough that you get rocked into the back of your seat. That's a high WTQ/WHP big turbo experience for me... not a slow gradual increase where peak boost hits at 6500 RPM.

If snapping axles or destroying tranny gears is the concern, then I'd say this size turbo isn't optimal for the car as a whole, despite the N54 being able to manage it without issue.
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