lopezjm2001
Posts: 14
Joined: Tue Aug 07, 2018 3:02 am

Re: Battery Replacement Under Warranty

Mon May 03, 2021 4:56 pm

Just wandering if anyone has done their own HV battery health test using the BMW diagnostic software ISTA+. It involves fully charging the HV battery and then fully discharging the battery using the air-conditioning with the windows open. You can get this software on the net for a reasonable price from https://www.bcables.com/. Just need a OBD2 to ethernet cable.

Joff
Posts: 71
Joined: Wed Jan 02, 2019 2:44 am

Re: Battery Replacement Under Warranty

Sun May 16, 2021 7:37 pm

lopezjm2001 wrote:
Mon May 03, 2021 4:56 pm
Just wandering if anyone has done their own HV battery health test using the BMW diagnostic software ISTA+. It involves fully charging the HV battery and then fully discharging the battery using the air-conditioning with the windows open. You can get this software on the net for a reasonable price from https://www.bcables.com/. Just need a OBD2 to ethernet cable.
I have a laptop loaded with ISTA software and cable. It has helped me troubleshoot wiring damage, but I am no expert. Do you have any instructions on how to use it to test HV batterie state of health?

rcyyan
Posts: 4
Joined: Fri Jun 04, 2021 11:59 pm

Re: Battery Replacement Under Warranty

Sat Jun 05, 2021 12:08 am

For everyone in CA, CT, ME, MD, MA, NJ ,NY,RI and VT....I'm guessing we have 10yrs and 150k mi. Or am I reading this incorrectly.

From the owners manual under the emissions warranty section:

Manufacturer’s Warranty Coverage
(California, Connecticut, Maine,
Maryland, Massachusetts, New
Jersey, New York, Rhode Island, or
Vermont ONLY):
– For 15 years or 150,000 miles, whichever
occurs first**:
**Except High-Voltage Battery (Traction Battery),
which is covered for 10 years, or 150,000 miles,
whichever occurs first
.

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