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BMW 3-Series (E90 E92) Forum
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what do you like better and why
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| 06-26-2014, 09:14 AM | #23 |
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First Lieutenant
 
389
Rep 376
Posts |
I just got my jb4 and I was in between Cobb and jb4.
Not a big fan of the piggy back but installation was easy. I can only recommend you the jb4. I like map switching on the fly and gauge hijacking and the car pulls hard!! I'm going to the dyno this afternoon to see what the gain is. |
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Appreciate
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