Hey, we just wanted to update this thread.
We finally
got some dyno time for the
N55 STX 78R (aka stage 2.5) on the 335i at CarbConn in Kirkland WA! This car has baselines going from FBO ->
SteamSpeed Stage 1 ->
SteamSpeed Stage 2.5
The tune still isnt done, but, it is the current state of where we are at. There is still a problem with the knock pulling timing, so the timing and boost are set low for now.
TL,DR: 456 WHP, and 518 ft*lbs with just 21 psi & 9 degrees of timing!
Stage 2.5 Setup:
FBO 2011 BMW 335i manual
SteamSpeed STX 78R BB Turbo
Single port meth
Only 21 psi, 9 degrees of timing
Result:
456 whp, 518 ft*lbs torque
Here is stage 2.5 vs SteamSpeed STX 67 (aka stage 1)
VS Stage 1 Setup:
Stage 1 SteamSpeed STX 67 Turbo
Single port meth
21 psi, 14 degrees of timing
VS FBO:
Stage 2.5 vs Stage 1 vs FBO:
Stage 1 vs 2.5 turbos:
EWG Version:
We can do all versions of the N55 turbo. Here is one we did for a customer in the UK recently.