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      10-07-2012, 09:57 PM   #1
mhdelarosa
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Drives: '12 328i Mineral Grey Metallic
Join Date: Apr 2012
Location: Carson, CA

Posts: 59
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Auto start stop disabled...

After installing a ECU tune for my N20 engine (2012 328i), I found that my auto start stop was no longer functioning.

I'm wondering if my IBS got damaged in the process of removing the negative connections from battery, or when reconnecting the negative terminal. Would a bad IBS trigger the check engine light?

I know it's not a good sign if the auto start stop is no longer working. Can a bad IBS lead to other issues if I don't get this issue resolved soon? Just looking to understand what's going on. No check engine light so I don't feel too worried.
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F30 328i Mineral Grey Metallic, M Perf Kit, M Perf Exhaust, Matte Black Kidney Grills, H&R Sport Springs, 19" Velgen VMB5 Rims.
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