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      01-21-2015, 02:31 PM   #6
Trojanlaw
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Drives: 2019 X5 40i M
Join Date: Oct 2014
Location: Nashville, Tennessee

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Quote:
Originally Posted by opasha View Post
Great write up, my friend! This is very helpful to the community. Just to add, for the 50i, I had the same stock settings S1=1 and S2=B for the chip. My harness was also the pink/purple (8720) one used for my two MAP sensors. Note, these also fit into the MAF sensors so good thing you noted that so people don't plug into the MAF.
FYI - According to the new Racechip Guide on Page 9, if your chip was shipped with B1 as the stock setting, they now state the following:

Performance Level 1: D1
Performance Level 2: E2

Happy testing.
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