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06-24-2014, 04:36 PM | #3 |
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Don't think there is a manual way to open the trunk however you can jump the battery from under the hood.
There is a positive terminal middle back with a red cap on it and the negative is above the right wheel housing. (a silver "bolt" sticking out) Once you put a charger on those terminals you'll be able to get juice to open the trunk and access the battery if you wish. |
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06-26-2014, 11:28 AM | #6 |
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In my E85, my warning came in the form of slightly (and I mean slightly) hesitant cranks on startup. I chalked it up to the car being stationary during the week, but learned the hard way the battery was on it's way out (lasted 5 years). If you feel like your car's not cranking as strongly/quickly as it used to, battery is most likely weakened/nearing end-of-life.
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06-26-2014, 07:42 PM | #8 |
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Over the winter i got a "Low Battery" message on the NAV screen indicating a low battery state from non use.
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06-26-2014, 11:33 PM | #9 |
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06-27-2014, 07:04 AM | #10 |
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It was the only indication of an issue that I know of. However I also recall that I had the yellow triangle warming indicator light in the message board located in the message display in the center dash. This I am sure for the non NAV cars. So 2 indicator message points. The 3rd would be very clear especially if the car would not turn over or start. This one is a driver diagnosis when we cannot start the car and then find out we are screwed.
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2009 BMW Z4 35i/SMG/DCT/Premium,Cold, Sound PK/Com Acc/Ash/PDC/Wind Deflector/Smoked Reflectors/Red Calipers/Cl Mask/M Series Grill/6000K LED's/De-Badged/M Pedals/CF Mirrors-Engine Cover/Stubby/20% Tint/H8 LED's/LCI Side Markers/Sniper Sprint Spoiler/VMR V710/H&R Sport Springs/KN.
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09-24-2014, 12:47 PM | #11 |
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Wanted to update this thread. Have had my non-Nav 2009 35i since April. Drive it a ton, have put ~5,000 miles on over 5 months.
Last week, leaving work my clock was reset to 00.00's. After resetting the time, I had the triangle warning in the dash. Checking "System", see a "car on hydraulic lift" indicator. Kind of scary. Online search for this indicator finds it is used for many things. At least mine was not colored red but the amber/orange color that most stuff lights up as in this dash. Gotten same event 5 out of last 7 times driving. Two times, clock was fine and no other issues/warnings. I don't notice the car starting any slower nor do I notice any driving issues. Other things besides clock resetting: trip meter, gas mileage, etc...stuff you can cycle through on the stalk. Called the dealer and service manager said most likely a battery/voltage related event. Seen it many times on these cars. Mine is right at 5yrs so likely a battery replacement. Taking her in tomorrow...at least the cost quoted for battery/install/programming has come down since the 2011 posts on here re: dead batteries. I called three dealers, all were between $400 and $450 to do this. |
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09-24-2014, 04:05 PM | #12 |
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Mines 5 years old now. Ive noted recently oddly behaving AC controls (half lit, non operational until a restart) and juddery roof mechanism when engine not running. Half expecting this to be battery related.
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09-24-2014, 09:44 PM | #14 |
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Just hook up a voltmeter to the battery. Normal is 12.6. Anything under 12.2 volts means you need a new one.
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2016 340i XDrive, EBII/black, 6 MT, M Sport, Track Handling, Cold Weather, Tech, Lighting, Driver Assistance Plus.
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09-25-2014, 07:56 AM | #16 | |
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Quote:
Including this snippet from HerrK: You can do the battery registration using the Bavarian Technic tool (access to OBD) ~$300 for the Enthusiast: http://www.bavariantechnic.com/buy.aspx I don't know how long I'm keeping this car...and I need a battery sooner than later it appears. But I'm sure others here can give more feedback on that kit... Bottom line, if you simply replace the battery, without registering it, the battery doesn't function as well and/or it won't last as long if it were registered properly. Last edited by STR3T; 09-25-2014 at 08:04 AM.. |
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11-11-2014, 01:13 PM | #17 |
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Just had our battery replaced on our Z4 after 5 years.
Total cost through an independent bmw specialist was $228 for an OEM battery (BMW 80ah) and $105 for the installation and registration labor. Actually thought that was quite reasonable for a BMW. |
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11-11-2014, 01:26 PM | #18 |
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That's not bad. My boss just paid $547.00 to replace his on his Mercedes M class
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11-11-2014, 02:50 PM | #19 |
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Service Advisor told me that the battery life of a BMW battery is only 2 to 4 years. He quoted $420 including tax. The local indy quoted around $300 installed including registration labor.
FYI one of the first signs Ive noticed when the battery is low is slow cranking in the morning and the Welcome Lights stop working when you unlock the car..... |
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11-11-2014, 04:31 PM | #20 | |
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Quote:
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11-12-2014, 03:21 AM | #21 | |
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Afterwards you can still read and erase error codes, have some nice coding done, read engine details etc. Just like the idea, the app and the programmer is very responsive to questions and problems (no, I don't draw any commissions). Best regards Mick |
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