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      03-27-2011, 11:32 AM   #1
integraworks
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Drives: 2010 Z4 s35i
Join Date: Feb 2011
Location: Ontario

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ESS vs. JB4 - Which way should I go?

I am looking for opinions, experiences, tips, etc here. A full review of both products on one thread would be great. I am looking to purchase one of these tuning products soon, but without more information and real world experience I am a bit stumped as to which product would be best.

My major concerns / interests are:

1: Dealer detectable? Do I have to remove the JB4 before a dealer service? Do I have to revert to the stock code if using the ESS?

2: Ease of use? The ESS system seems more straightforward and easy to use, but also seems to offer less options than JB4. Do I need all the functionality of JB4?

I would really like to hear existing customers of both ESS and JB4 contribute their experiences here.

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