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      03-24-2021, 07:47 PM   #77
solidsleeper
solidsleeper
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Drives: BMW X1 35i xDrive 2013
Join Date: Sep 2019
Location: California

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Quote:
Originally Posted by bassrebel View Post
Thanks for the coils explanation... that makes me feel better and sad at the same time lmao

My wife and I go for at least 100-200 mile trips on weekends to get some fresh air.

I bought a new battery in November, as it still had the same battery and it was struggling in the cold days, so I purchased a new one. I went aftermarket and registered it. Hm, perhaps the MHD deleted the battery info? Would that create this problem?

It started acting up as soon as I flashed MHD, maybe a correlation?
What's the aftermarket battery rating compared to what you had stock? I believe every time you flash with MHD, it does wipe the battery registration. So if your aftermarket isn't the same rating as stock, then maybe your car is coded to the OEM battery rating and is causing these funky issues. If the aftermarket battery is the same rating as OEM, I don't think the battery coding is the issue.

What's your battery Ah rating vs your OEM? Also, AGM or non-AGM?
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2013 X1 35i xDrive / ER CP / Wagner Evo 1 IC / Wagner Catted DP / MHD OTS / xHP stage 2 / Mishimoto OCC / 12mm H&R Spacers
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