Thread: Where is COBB?
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      11-11-2012, 10:17 PM   #64
divisionbell77
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Drives: 2011 335i XDrive Coupe
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Quote:
Originally Posted by marCOCOpuffs View Post
so can anyone chime in? Why is cobb better than a piggyback like the JB4?
You can start with ease of use in switching between factory and tune.