VW Passat 2018 - Won't jump start

[03ozwhip]

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BMW just assumes you are parking their car in a heated garage.

I have seen "terminal 30 shut off due to top startability limit reached" many times over the last few days. Aka, dead battery.

Ya 95% of the time both of mine are parked in the garage, but with the new garage addition, no room until it's finished.

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So no dip stick or block heater.. I might need to reassess the want for a 340i

Not as bad as you think. I've had 7 BMWs and never had an actual issue, even in that weather.

[mr2mike]

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Thing is BMWs don't have block heaters, plugging in the trickle charger to keep the battery from dying is the only thing we can do. There are pan heaters, but I've never really looked into it much.

When you buy a new BMW, they usually tell you to leave a trickle charger on the battery when not being driven due to how much tech they have in them. I find it good practice on all my vehicles for the last few years for sure.

Yes, I do the same. I added the battery blanket sort of for fun because why not. Running both, the battery can reach full charge whereas only with a tender at - 35 it never got to the trickle part of the charge cycle after 8 hrs.

One if I worry, is can the blanket crack the plastic of the battery? I don't think it heats that quickly.

A 2hr blanket only start resulted in a very labored start. 3hrs, it was like a regular day.

[SKR]

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A fully charged battery freezes at a VERY DIFFERENT temperature than a partly discharged battery. and in cold weather, trust me, your battery is partly discharged when you park, and it discharges MORE while it sits.

So in short, yes. A battery on a functioning maintainer WILL NOT freeze.

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For someone who, if I remember right, has historically been very much against battery maintainers, you sure seem to know an awful lot about them.

[ExtraSlow]

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For someone who, if I remember right, has historically been very much against battery maintainers, you sure seem to know an awful lot about them.

I am pro, not anti.

[ThePenIsMightier]

Just more horse shit from the Big Chargea* Cartel.

*pronounced Char-Jah.

[ercchry]

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I am pro, not anti.

I dunno, sounds like a you flip flop on the subject a lot!