Quote:
Originally Posted by HB E90
thats interesting. I put the same one in mine a couple of months ago and its been great. I was able to register it with MHD app. I'd start by checking what voltage is being put on it while its running. Maybe the alternator is shot? On mine it usually sitting around 13.7V but on my Tacoma is always over 14V so I'm wondering if mine is marginal? The battery I pulled out was dated 6-2017 so like 3.5 years. Questionable but 2 days! Are you getting and other codes or warnings ?
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Since I could not start the car, the Bimmer APP won't able to connect to adapter. I noticed another interesting thing - battery voltage number from the multimeter is changing/looping (something like 4-> 8-> 10-> 13, and again). is it normal?