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Battery type...a bit confused...

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
HillWalker
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Battery type...a bit confused...

Post by HillWalker » Thu Nov 30, 2017 9:42 am

So then in that case how do you register a battery is it something you can do yourself or is it a dealer job, sorry if I've missed the answer to this already.

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ph001
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Battery type...a bit confused...

Post by ph001 » Thu Nov 30, 2017 10:41 am

Most diag software can do it of which Carly is probably the easiest to use but you have to pay a bit more for the premium feature set. Lots of independents can do it also at less than main stealer rates. Really, I wouldn't bother personally.
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Z4M-2006
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Battery type...a bit confused...

Post by Z4M-2006 » Thu Nov 30, 2017 3:03 pm

We charge £10 to register the battery..

Personal choice whether you do it or not..

I just prefer to have things done correctly.

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Battery type...a bit confused...

Post by Gaffa22 » Thu Nov 30, 2017 3:44 pm

Well for a tenner why wouldn’t anyone want that extra piece of mind.
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Battery type...a bit confused...

Post by Smartbear » Thu Nov 30, 2017 3:48 pm

Gaffa22 wrote: Thu Nov 30, 2017 3:44 pm Well for a tenner why wouldn’t anyone want that extra piece of mind.
I’d have it registered for a tenner, I’ve heard of people paying over £100 for the same thing which I find ridiculous though!
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Battery type...a bit confused...

Post by Z4M-2006 » Thu Nov 30, 2017 5:36 pm

£1 a minute... :rofl:

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Battery type...a bit confused...

Post by 4zwmb » Thu Nov 30, 2017 6:03 pm

Z4M-2006 wrote: Thu Nov 30, 2017 3:03 pm We charge £10 to register the battery..

Personal choice whether you do it or not..

I just prefer to have things done correctly.
What do you mean we? You work in a garage?

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Battery type...a bit confused...

Post by Gaffa22 » Thu Nov 30, 2017 6:03 pm

It will cost me £9.99 to add the battery registration to Carly so not a bad deal.
I don’t think there are many places that would do it for a tenner unless they are charging over the top for the battery in the first place.
The main stealers want a fortune
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Battery type...a bit confused...

Post by 4zwmb » Thu Nov 30, 2017 6:13 pm

Check this link guys, its by varta, tells you exactly what kind of battery is needed for all types of cars. After searching mine, it seems that Mr Wilks did choose his battery type correctly! ;) On the other hand it also gives a second recommended battery which is 80AH and 800CCA. So I dont really think one has to replace the battery with a new one of the exact same specifications.

https://www.varta-automotive.com/en-gb/ ... S%29%22%7D

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mr wilks
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Battery type...a bit confused...

Post by mr wilks » Thu Nov 30, 2017 7:12 pm

4zwmb wrote: Thu Nov 30, 2017 6:13 pm Check this link guys, its by varta, tells you exactly what kind of battery is needed for all types of cars. After searching mine, it seems that Mr Wilks did choose his battery type correctly! ;) On the other hand it also gives a second recommended battery which is 80AH and 800CCA. So I dont really think one has to replace the battery with a new one of the exact same specifications.

https://www.varta-automotive.com/en-gb/ ... S%29%22%7D
I was lead to believe that getting the exact same numbers was important & over capacity could be as bad as under capacity :?
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Battery type...a bit confused...

Post by 4zwmb » Thu Nov 30, 2017 7:35 pm

mr wilks wrote: Thu Nov 30, 2017 7:12 pm
4zwmb wrote: Thu Nov 30, 2017 6:13 pm Check this link guys, its by varta, tells you exactly what kind of battery is needed for all types of cars. After searching mine, it seems that Mr Wilks did choose his battery type correctly! ;) On the other hand it also gives a second recommended battery which is 80AH and 800CCA. So I dont really think one has to replace the battery with a new one of the exact same specifications.

https://www.varta-automotive.com/en-gb/ ... S%29%22%7D
I was lead to believe that getting the exact same numbers was important & over capacity could be as bad as under capacity :?
No, I dont agree fully...I am a physics teacher, I would rather believe that under capacity would be wrong but not over capacity. CCA is the ability of the battery to start the motor at zero degrees Fahrenheit whilst trying to keep a voltage of at least 7 volts. Hence over capacity is not wrong at all when it comes to CCA. Now back to AH. 80AH means the battery can take a little bit longer strain than a 70AH. See, an 80AH battery can give you 0.8AMPS for 100 hours or 8AMPS for 10 hours or say, 80amps for 1 hour technically. In reality we only get just a mere close to this because of a lot of factors like temperature, efficiency of a battery etc....So in my opinion, the only think that can happen with an 80AH instead of the 70AH, is that the alternator just wont charge the battery to say 80% as it used to do to the 70AH battery before since it wont recognize that the new one has 10AH more. So for example it will charge it to just 70% instead. Somebody prove me wrong here, I will appreciate it!!!

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Battery type...a bit confused...

Post by Smartbear » Thu Nov 30, 2017 7:38 pm

I thought a larger capacity battery would still become fully charged but it would just take longer to do it? :?
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Battery type...a bit confused...

Post by flybobbie » Thu Nov 30, 2017 7:44 pm

80ampHr battery is for cars with the servotronic option.
So i was told by BMW dealer when i asked for a retro fit to my car.
My car would have needed upgraded alternator, 80ampHr battery and the software upgrade.
A lot of £££ so i didn't bother as the original owner could have specified for servotronic for an extra £200 when new.

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Battery type...a bit confused...

Post by Smartbear » Thu Nov 30, 2017 7:47 pm

flybobbie wrote: Thu Nov 30, 2017 7:44 pm 80ampHr battery is for cars with the servotronic option.
So i was told by BMW dealer when i asked for a retro fit to my car.
My car would have needed upgraded alternator, 80ampHr battery and the software upgrade.
A lot of £££ so i didn't bother as the original owner could have specified for servotronic for an extra £200 when new.
Servotronic is the electric steering, I thought all non-m cars had that fitted anyway? :?
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold

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Battery type...a bit confused...

Post by 4zwmb » Thu Nov 30, 2017 7:48 pm

and excuse my grammar mistakes please, I was in a bit of a hurry when I wrote that...

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