Thread: HPFP swap
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luchocamp luchocamp is offline
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Posts: 692
Join Date: Jun 2016
Car: 2013 BMW 335i xdrive M Sport
Default 05-24-2019, 03:11 AM

T_H_O_M_A_S thanks for open this thread.
I am now using B58 HPFP and I could say is at least 20% more effective than N55 HPFP on real world. Look a graph of my car last night run about 125mph at 402mts without making brake boost.... 11.51@125mph with 1.95 at 60ft 1st and 2nd 20psi, 3rd 21psi , 4th 22psi and 5th 23psi. I am using WMI as alwys. I think this is one of the most important and simple modification you should do to your N55 engine.

13 BMW 335ix Full Weight 10.64 @129mph N55 WR SOLD
A90 Supra Full Weight No Nitrous 10.78@133mph
BMW M4 10.96@132mph no prep track stock turbos

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