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      02-07-2026, 01:25 PM   #48
smokinjoe64
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Drives: e92 M3 6MT
Join Date: Nov 2008
Location: OC SoCal

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2012 BMW M3  [9.75]
2025 Mazda MX-5  [0.00]
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Quote:
Originally Posted by Thumbie View Post
How wild would it be to have a plenum with a removeable lid, and be able to swap velocity stacks without removing the base of the plenum.
Agree, 'concept' and options certainly appealing, particularly for user accessibility.

That said, a few questions come to mind with a removable CF lid design...jus some thoughts, points to consider, certainly not criticisms.

Not to say removable lid design approach is inferior, impossible or will not work.
However, over time, under numerous dynamic load and temperature cycles these conditions do pose some inherent removable lid long-term, and use challenges to overcome.
  • Fitment/Leak - 'Resealing risk' of leaks with any imperfect lid, reapplication and/or refastening compared to a one-piece design
  • 'Lid Flex' - Structural longevity, cracking, finish peel due to material flex, already some known issues; others have reported/observed with earlier one piece designs. Potentially, lid flex may exacerbate stresses with multiple fastening points, that along with CF fastening especially sensitive to and susceptible to over torque related damage
Own an ID intake - - design, fitment, appearance and performance are spot-on; absolutely Luv it!
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e92 M3 - Interlagos Blue | Recaro GTs w/Fox Red Extended |Carbon Leather
BPM Stage II; SuperSprint: header-back, catless, nonresonated, F1s; Infinity Design CF intake; Partee Racing CF plenum; do88 coolers; Bilstein B16 kit w/EDC, monoball links; Brembo BBK; AutoSolutions SSK


Last edited by smokinjoe64; 02-09-2026 at 05:25 PM..
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