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      09-08-2023, 03:04 AM   #22
B21
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Drives: E89 Atacama Yellow 35is
Join Date: May 2022
Location: Scotland..God’s own country

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Quote:
Originally Posted by AmuroRay View Post
Interesting - It seems like the DCI is the best option here, judging by the whole power curve. Massive gains over the stock airbox.

Does the car have turbo inlet and outlets?
I wouldn’t describe a peak torque increase of 11nm in 730nm or 6 BHP in 530 BHP as massive..ie 1.5%…hardly in the 10%-15% claimed for various air box upgrades..

As discussed peak torque is now excessive so any gain there is not useable as we’ve gone past traction limits..

Of course the heat soak and filtration and noise aspects were the other factors..

VSRF 2” turbo inlets and VTT turbo outlets fitted..
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Much modified 2011 Atacama Yellow 35is…previously a much modified 2012 Atacama Yellow 20i MSport
Change history here… https://www.dropbox.com/s/8h1vabklgz...0List.pdf?dl=0
Build thread here… https://z4-forum.com/forum/viewtopic.php?t=131886
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