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      04-10-2013, 12:01 AM   #245
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Drives: Harrop M3 / F10 M5 / F82 M4
Join Date: Apr 2008
Location: SoCal

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Garage List
2000 BMW M5  [0.00]
1990 BMW 735i Turbo  [0.00]
2008 BMW M3  [7.50]
2015 BMW M3  [0.00]
2015 BMW M5  [0.00]
Quote:
Originally Posted by M3amigos View Post
Mike, I have a question for you regarding my stage 2 tune. I purchased a custom catless xpipe which currently only has the o2 sensor bungs for the primary/front o2 sensors. Can I safely run without the rear sensors using the tune or do I need to have the rear o2 sensors installed into the xpipe as well? Thanks.
You can leave the post cat o2 sensors off, we'll take care of it

We've tuned a few cars with the Akra GT4 system which only has the primary o2 sensors connected

We are offically out of stock on cables, but our generation two cables will be on the way shortly.

If you are interested in it, please add your name to this list:

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Thank you everyone and enjoy the tunes!
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