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      03-12-2012, 11:17 AM   #40
tom @ eas
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Drives: BMW
Join Date: Nov 2005
Location: Anaheim, CA

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Quote:
Originally Posted by Dellort_M3 View Post
Does the battery have to be disconnected?
It's highly recommended. Otherwise, make sure the ignition is not turned on by accident (easy for those with CA) while the seat is removed and before coding/OC3 module installation.

If not, codes will need to be cleared.
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