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      12-13-2019, 03:30 PM   #12
akkando
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Drives: 17 M2 DCT LBB,11 e90 M3 ZCP IB
Join Date: Jan 2017
Location: Bay Area

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Quote:
Originally Posted by Bee Pee View Post
Hi flo Inlet pipe is worthwhile on stock turbo running a tune, as it offsets any loss in throttle response if running a larger/upgraded i/cooler.

On std tune, better flow @ WOT helps m2 n55 hold more boost for longer in the upper rev range and demands on the turbo is less (lower WGDC to achieve same boost target) which helps longevity/reliability.
What's the downside? Why doesn't it come that way stock?
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