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      08-20-2011, 12:28 AM   #4
ilikebmxbikes
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Drives: S65 1M Clone & E92 M3 4.6L
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Quote:
Originally Posted by cooler2442 View Post
Look at this comparison / thread:

http://www.e90post.com/forums/showthread.php?t=374508

JB4 has the most N54 cars in the 11second range. Cobb is not faster than a JB4. It may be more convenient yes because you use a hand held flash tuner but that is it.

Also Cobb hasn't even come out with anything for the N55 so it shows how far behind they truly are.
It really just boils down to what is best for you and your budget, One is a piggy back and one is a flash. Both have their advantages.

I went with a Cobb AP and love it. Backs ur current stock map and installs in 20 minutes and uninstalls in 10. The price for the unit is around $800. Jb4 is around $450.

The Jb4 has proven to be quicker than the Cobb but the Cobb installs / un installs very quickly and has a lot of potential with the updates.

Cobb doesn't have any support yet put for the n55 and are still developing their stage 2 for the n54. Hopefully once the stage two drops we can do another comparison.

Either tune will transform your car and you will be satisfied with either. Suspension mods should be next on your list.
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