Thread: Single Turbo Z4
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      10-11-2017, 01:39 PM   #14
BaaQaf
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Drives: 2012 E89 Z4 35i M Sport
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Quote:
Originally Posted by jts1981 View Post
Would you recommend doing tbi to help supplement the hpfp? I believe my lpfp is fine, but hpfp could use some help. I'd like to stay away from pi, or vet single/ double barrel since I'm still only stock turbos.

running e60 summer, 93 tune for winter...
TBH, Im not a fan of PI or TBI setups, its something I wouldn't even do. I would risk the chance of going with NEW upcoming VTT double barrel shotgun first before even thinking about touch TBI or PI

TBI is actually worse due to the uneven spray into the banks.
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