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      01-01-2011, 11:38 AM   #14
Elsabor67
aiming for 450.....
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Drives: La Jeva ;-)
Join Date: Feb 2009
Location: Stuttgart, Ge :-)

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2009 135i  [5.00]
Quote:
Originally Posted by shemeld_135 View Post
is there a lot of stress on the engine with the jb1,2,3?

should it be installed all the time?

any kind of warranty?

I am a noob to this so bare with me
Sorry it took a bit to answer, once you install it it can be disabled so you can run stock. There are instructions on how you can do this. If you are warranty concerned like me, you can uninstall and when you come back from the dealer re-install. Its up to you. Best to get the combination of BT scan tool and JB3 or JB4 which should be out now.

Stress on the engine i don't really worry about as I only enable the JB3 when i'm at the track. If i want to have "fun" driving I mostly will run MAP 3 and keep it conservative.
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