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      03-13-2018, 12:07 PM   #11
TerryGTX
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Drives: 2014 Bmw 435xi M-sport
Join Date: Sep 2017
Location: Boston, MA USA

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Quote:
Originally Posted by F30_SixSpeed View Post
Quote:
Originally Posted by TerryGTX View Post
My only question is my CEL is always on.. is it because my JB4 is still plugged in
That shouldn't matter. is JB4 on map 0?

Read the codes on BM3. What codes are you getting?
Map 0 JB4
Code was about catalytic efficiency
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