holy shiet!!!! battery cost
11-28-2011, 05:35 PM
#11
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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
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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
If you replace the old battery with the exact same type and spec - the battery needs to be registered.
If you switch to an AGM battery or one with different specs - the car needs to be programmed with the new settings.
Lots of posts on this topic - do a search and decide for yourself if you are doing the right thing.
11-28-2011, 08:42 PM
#12
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My Ride: '05 545i SMG, 35% Tint, LED Angel Eyes
Bought the Die Hard version of the AGM battery for $157 from Sears. It comes with a 5 year full replacement warranty. According to my Indy, the battery needs to be registered because the computer tells the alternator to charge the battery at different AMPs when new vs. old. So, if you don't register a brand new battery, you might need to replace one prematurely say in 3 years vs. 5 years. I didn't spend the extra $80 for the programming because I figure if mine dies in the next 5 years, I'd get a brand new one from Sears, no questions asked! 
11-29-2011, 05:04 AM
#13
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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
Interesting approach though.
11-29-2011, 11:36 PM
#15
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My Ride: 2008 550i - Sport Package, Sport Transmission, Active Steering, Navigation, Comfort Access, 7 Logic Stereo
I'll be replacing my battery early next year. I plan on doing it myself. I'm not even going to bother calling my dealer for a quote.
11-30-2011, 06:35 AM
#16
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Lol i love the batt discussions. Some awesome heated ones in the DIY section. I haven't had to replace mine yet, but when i do, i'm picking one up from Wally-world and taking it to indy for reproggy
11-30-2011, 04:31 PM
#17
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Who do you recommend for battery replacement/programming in Socal other than the dealer/stealer?
Thanks,
12-01-2011, 09:05 AM
#18
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My Ride: PHINEASS. 2008 535i Alpine White/ Light Beige Dakota/ Dark Poplar with Sports, Premium, Navigation, Cold Weather, Comfort Access, Satellite Radio, Ipod & USB, Legal Tinted, All Weather Front, Rear and Trunk mats, Detailed and Clay Treated.
Model Year: 2008
12-02-2011, 04:39 AM
#20
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My Ride: 08 528I Sport/Prem