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Mobile M3forum |
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| E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convert) (2008-2013) {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm} |
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Fri, Jul-27-2012, 07:52:01 PM
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#1 |
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Registered User
Join Date: Jun 2010
Posts: 3
Reputation: 0
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Glass mesh batteries
had the warning lights for battery dicharging overnight/low battery after a drive. tested by BMW - needed new battery. Close to US$1000.
1 what is so special about these batteries? 2.why does the car need 2 hours reprogramming from Munich? not convinced by the plocal BMW staff answer. |
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Fri, Jul-27-2012, 08:10:57 PM
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#2 |
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Piraña Powered
Join Date: Oct 2009
Posts: 1,345
Reputation: 0
Location: Westchester/Boston/Windham
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Re: Glass mesh batteries
BMW requires AGM batteries for all the models that use regenerative braking.
http://en.wikipedia.org/wiki/VRLA_ba...rbed_glass_mat Email Mike@ thebmwpartstore, I'm sure he sells this battery for a lot less
__________________
Vanos hub / bolts DIY Oil Pan Removal DIY Foam subframe reinforcement DIY Plastics Renewal DIY Spacer DIY ESS NA Tune Review Tools: -Shim kit -Timing tool -Engine support -Grainger foam applicator gun DIY stuff -Available in the NY/MA/NH area |
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Sat, Jul-28-2012, 03:24:14 PM
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#3 |
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Registered User
Join Date: Jun 2005
Posts: 1,898
Reputation: 0
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Re: Glass mesh batteries
I think Autozone has an AGM battery also. Probably $150-$200. The ECU has to be recoded for the new battery, but this should not be more than an hour of labor at a dealer or BMW specialty shop. Free if you have a friend with a Bavarian Technic tool or similar advanced scan tool.
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