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Old January 3rd, 2018, 07:10   #6
Grigg3
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Join Date: Aug 2006
Location: Lexington, VA
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Here’s a very well researched thread on upgrading the battery.
http://www.golfmk7.com/forums/showthread.php?t=7926

Looks like some changes are required with VCDS for the car to accept and manage the new/different battery properly. The computer/alternator must charge differently for different types and sizes of battery?

Perhaps just for cars with Battery Control Modules, BCM, which comes as part of stop and start feature
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05 Jetta wagon, 15 Golf wagon

Last edited by Grigg3; March 17th, 2018 at 11:20. Reason: more info
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