Battery
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Members
Joined: Dec 2011
Posts: 52
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From: Puget Sound area WA
My Ride: 2004 545i
I have a battery that is reading 11.99~12.00 volts, is that within acceptable range? Where can I find the specified voltage range for BMW batteries? Thanks in advance folks!
sorry double post
sorry double post
Members
Joined: Jun 2006
Posts: 158
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From: Houston
My Ride: 545i 2004, SMG, Sport, Nav, Logic-7, Bluetooth phone retrofit
I'm sure a search would come up with threads in here that cover the typical voltages, running and stopped. That sounds a bit low to me.
Voltage aside, my first two batteries lasted 3.5 years each. I'm going to replace the third one when it gets past 3. I have a low tolerance for getting stuck somewhere.
Voltage aside, my first two batteries lasted 3.5 years each. I'm going to replace the third one when it gets past 3. I have a low tolerance for getting stuck somewhere.
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Joined: Jun 2007
Posts: 1,845
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From: Atlanta, GA
My Ride: 2008 535i:
(8/07 Build) Metallic Bronze, Beige NASCA Leather, Ventilated Seats, Sport Pkg, Cold Wxr Pkg, Logic-7 Sound, HUD, Night Vision, PDC, Split Rear Seats, NAV, Premium Pkg, Comfort Access, HD Radio, Sport Auto Trans
Current mods: M-Aero Kit, JB4, Motorcepts 6000k HID Foglamps
Umnitza ICE-Lite 10w LED 6000k AE's
1992 Camaro RS:
Fully Restored w/Custom Interior, 5.0L V8, T-tops, OEM Z28 Foglamps, Inst Cluster, & Spoiler, Custom Sound, Too many engine mods to list
My OEM battery lasted about 4 years. Started noticing the time would never stay in memory and the CA keyfob range had decreased (already replaced those batteries). If you are constantly getting the increased battery discharge and haven't swapped the battery then its probably time to do so.
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