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      01-15-2019, 08:55 PM   #20
ezaircon4jc
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Drives: 2019 540i M Sport
Join Date: Jan 2015
Location: San Diego

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Quote:
Originally Posted by Surly73 View Post
If you go non-AGM, where are you going to vent the gases from the battery? On cars that came with AGM batteries there is no battery vent system to take hydrogen (from charging) and other battery gases out of the cabin.
AGM's also vent. ALL batteries vent, at least some. IIRC, the stock AGM battery has a vent tube.
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