B58 New Pure Stage 2 B58 RESULTS! 603whp on 93oct PUMP GAS ONLY!

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Lurker
Platinum Vendor
Feb 16, 2018
10
Oceanside, CA
Early testing of our new B58 Stage 2 turbo has yielded some awesome results!
586whp, 93oct pump gas only and spools at 3,200prm's!
They ran out of fuel on the next run but it should easily eclipse 600whp on pump gas only!



603whp b58 pump gas dyno.png



B58 PS2 Plus 586whp Pump Gas.jpeg
Peter M140 B59 STG2 Plus.jpeg

 
Last edited:
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Reactions: doublespaces

ShocknAwe

Lieutenant
Jan 24, 2018
881
SC
Most amazing thing us this actually now makes the b58 a most likely more reliable upgrade path as the n63 with similar potential.
What's actually amazing is the ability of the chassis to put the power down. Small car and proves it doesn't have to be a land yacht to cut times.

B58 is what the N55 should have been.
 
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Reactions: Rob09msport

Rob09msport

Major
Oct 28, 2017
1,880
Monroe CT
I had a m340 loaner for past 2 weeks and that thing felt great for a stock car. My f10 rides way nicer but as a sports car the g20 is sob composed it blows the 440 out of water I cant wait to drive the new 2 door
 

Rob09msport

Major
Oct 28, 2017
1,880
Monroe CT
How would you compare this setup to a tuned n63tu and a pure n63tu. It looks like this is making more power than a tuned n63tu I dont know how the response is but that's why I am asking cause my x5 lease is almost up and I have to decide between b58 or n63tu in next car cause after buying my 2016 550 I was really thinking of getting a used 2018 x5 cause we have one now and love it but ours is n55 I was gonna get a n63 but now these results make me think 2019 b58 may be way to go and just put a stage 2 turbo on it.
 

ShocknAwe

Lieutenant
Jan 24, 2018
881
SC
How would you compare this setup to a tuned n63tu and a pure n63tu. It looks like this is making more power than a tuned n63tu I dont know how the response is but that's why I am asking cause my x5 lease is almost up and I have to decide between b58 or n63tu in next car cause after buying my 2016 550 I was really thinking of getting a used 2018 x5 cause we have one now and love it but ours is n55 I was gonna get a n63 but now these results make me think 2019 b58 may be way to go and just put a stage 2 turbo on it.
M57 x5 if I were buying BMW trucks. Not a big fan of BMW V8s outside the E39.
 
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Reactions: Torgus

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