Single Turbo N54 - Passing emissions

carlos.pena

New Member
Mar 13, 2023
6
7
0
Phoenix, AZ
Ride
2007 E90 335i
Hey everyone !

Im due for an emissions test soon and looking for some advice on how to pass properly. I have a temporary 30 day permit before they fail me :(
Here are some things that I know I need to do. Please let me know if im missing anything else
  • Take back up of stock tune via MHD ( I8AOS )
  • Modify tune in order to set catalyst to ready state - NEED HELP WITH THIS @carabuser
  • Perform drive cycle to set all monitors to ready
  • 1 monitor in AZ can be set "Not Ready"

I'm located in Phoenix AZ.

Mod List Below

Car is running a flex fuel custom tune from Wedge Performance
  • Speedtech single turbo kit w/ 6262 JB turbo
  • Phoenix racing port injection manifold
  • Motiv reflex (for port injection) and flex fuel on 750 cc injectors
  • VRSF Street exhaust ( NO CATS )
  • VRSF 7.5 intercooler
  • B58 Coils
  • Fuel it! stage 2 pump
  • VTT cast valve cover
  • Dual BMS oil catch cans
  • NTK O2 sensors
  • Index 12 injectors

One downpipe O2 has been removed. Currently being used for AEM AFR gauge. I have a spare if it need to be reinstalled
 

carabuser

Lieutenant
Oct 2, 2019
702
1
544
0
UK
Ride
Z4 35i & 335i
I can certainly help out with the tune aspect, normally this is something included as part of my overall tuning service but you already have that sorted. I can't modify Ken's existing tune but I can prove a separate tune that can just be used for getting your monitors ready (for off-road use only).

What are you current readiness monitors looking like? Everything passing aside from Catalyst and O2? Or is O2 heater also incomplete?
 

carlos.pena

New Member
Mar 13, 2023
6
7
0
Phoenix, AZ
Ride
2007 E90 335i
@carabuser

Catalyst: Incomplete
O2: Incomplete
O2 heater: Incomplete
 

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