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      08-12-2009, 06:50 PM   #2
assistant to the regional manager
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Drives: 135i
Join Date: Nov 2008
Location: Virginia Beach, VA

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2009 135i  [0.00]
JB+ hasn't been out that long. Came out earlier this year, so I don't think you're going to get the answer you're looking for.

However, I've been running mine at 75% w/the bypass since it came out and no codes. Bypass takes less time to revert back than taking your JB+ out, if you ever have to go to the dealer, so no reason not to do it, IMO.