One click, no turn, loss of power after battery change

[digatron]

Recently installed a lithium ion battery

reads 13.6V on multimeter. Car has full power, dash lights etc, has been maintained on a tender.

when I try to start the car, it clicks then cuts all power to the car. Then power comes back on in a min or two.

what fuses should I look for here? I already double checked all the terminals.

I doubt starter since the car can be jumped. I’m thinking blown fuse somewhere

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[Teleguy11]

Did you go into bimmercode and tell your ecu that you replaced your battery? It's a BMW thing.

 

[digatron]

Did you go into bimmercode and tell your ecu that you replaced your battery? It's a BMW thing.

Yeah it’s been registered and set to correct settings

 

[razorlab]

What battery and specs?

 

[XtremeMaC]

Why li-ion? Do you need it specifically for something

 

[razorlab]

Why li-ion? Do you need it specifically for something

OEM battery type in some M cars, that isn’t the issue.

 

[XtremeMaC]

OEM battery type in some M cars, that isn’t the issue.

Right, Supra ain't one though. Regardless I wondered his reasoning..

 

[razorlab]

Right, Supra ain't one though. Regardless I wondered his reasoning..

I’m using a li-ion with no issues.

 

[razorlab]

I’m using a li-ion with no issues.

Actually, I take that back, I’m using a LiFePO4 battery.

 

[digatron]

What battery and specs?

It’s the same battery you’re running. Powertex

 

[digatron]

Correction LiFEPO4 battery

 

[baagel]

LiFePO4 (lithium iron phosphate) is a type of lithium ion.

 

[Rocksandblues]

There is a fuse connection inside the positive terminal

 

[razorlab]

It’s the same battery you’re running. Powertex

Must be something else then. Have you done a full car scan?

 

[digatron]

Must be something else then. Have you done a full car scan?

No codes out of the ordinary.

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