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Vehicle Battery - AGM or Wet type?

Posted: Sat Dec 11, 2010 8:57 am
by X5Sport
As it looks likely that the battery on our X5 (E53) now being 6 years old is going to need replacing fairly soon I have started looking at options.

OEM BMW Batteries are allegedly rebadged Varta, and whilst I am happy to buy a Varta, their warranty is relatively short when compared to either the Bosch 'Silver' series (5 years) or S6 AGM type (6 years). For the unitiated, AGM Batteries are effectively 'dry' as the electrolyte is absobed into a glass mat. I have seen recommendations that vehicles fitted with Auxiliary Heating use these AGM types. I don't yet have it enabled, but it's probably on the list of thing to do.

So do I go for a conventional 'wet' Lead/Acid battery, or a Gel type or an AGM type? What experiences have people had with such beasties? I know that the AGM are more expensive, but given they last longer that's not a surprise.

Thoughts?

Re: Vehicle Battery - AGM or Wet type?

Posted: Sat Dec 11, 2010 9:30 am
by ChewingBacca
What is the cost difference between the three?

Re: Vehicle Battery - AGM or Wet type?

Posted: Sat Dec 11, 2010 9:39 am
by X5Sport
Guide prices seem to be around £120 for the Bosch Silver, £150 for the Bosch S6 AGM, and I have yet to find a Gel, but I think the price will probably fall in between. No one place I have found does them all, and trying to work out what's a Gel or AGM can be tricky as not everyone puts the same level of detail on their stores. There may well be cheaper suppliers, so the prices are indicative.

Re: Vehicle Battery - AGM or Wet type?

Posted: Sun Dec 12, 2010 9:07 am
by lezmtaylor
I fitted an AGM Last year, had no problems, will dig out paperwork for price , amp hour rating, etc.
Lez

Re: Vehicle Battery - AGM or Wet type?

Posted: Mon Dec 13, 2010 4:36 pm
by lezmtaylor
Found the receipt!!!
Cost£125, 95 AH rating I think, found this co. through Google and only 8 miles from me., but there are bound to be suppliers near you.
Seem to remember Sanj thought there may be a problem with fitting over spec Amp Hour batteries,mine has been on 12 months now and all ok.
Lez

Re: Vehicle Battery - AGM or Wet type?

Posted: Mon Dec 13, 2010 5:21 pm
by Sanj
[quote=""lezmtaylor""]Seem to remember Sanj thought there may be a problem with fitting over spec Amp Hour batteries,Lez[/quote]

Not me - I have the same... :scratchhead:

Re: Vehicle Battery - AGM or Wet type?

Posted: Tue Dec 14, 2010 10:39 am
by lezmtaylor
[quote=""Sanj""][quote=""lezmtaylor""]Seem to remember Sanj thought there may be a problem with fitting over spec Amp Hour batteries,Lez[/quote]

Not me - I have the same... :scratchhead:[/quote]


Apologies to Sanj

Lez

Re: Vehicle Battery - AGM or Wet type?

Posted: Wed Dec 15, 2010 10:12 am
by X5Sport
[quote=""lezmtaylor""]Found the receipt!!!
Cost£125, 95 AH rating I think, found this co. through Google and only 8 miles from me., but there are bound to be suppliers near you.

Lez[/quote]

Lez, Who was the supplier just out of interest?

Richard

Re: Vehicle Battery - AGM or Wet type?

Posted: Wed Dec 15, 2010 1:50 pm
by x555
[quote=""X5Sport""][quote=""lezmtaylor""]Found the receipt!!!
Cost£125, 95 AH rating I think, found this co. through Google and only 8 miles from me., but there are bound to be suppliers near you.

Lez[/quote]

Lez, Who was the supplier just out of interest?

Richard[/quote]

Don't tell him Lez ....he just wants to get within 8 miles of you so he can stalk you :rofl: ..............i don't trust these e71 types :poke: :lol:

Re: Vehicle Battery - AGM or Wet type?

Posted: Wed Dec 15, 2010 2:50 pm
by X5Sport
:voodoo: :slappy: :guns: :telloff:

Re: Vehicle Battery - AGM or Wet type?

Posted: Thu Dec 16, 2010 7:27 am
by lezmtaylor
[quote=""x555""][quote=""X5Sport""][quote=""lezmtaylor""]Found the receipt!!!
Cost£125, 95 AH rating I think, found this co. through Google and only 8 miles from me., but there are bound to be suppliers near you.

Lez[/quote]

Lez, Who was the supplier just out of interest?

Richard[/quote]

Don't tell him Lez ....he just wants to get within 8 miles of you so he can stalk you :rofl: ..............i don't trust these e71 types :poke: :lol:[/quote]


Battery megastore, Kennet Close, Tewkesbury. And I am just going to move house !!!!!!!! jOKING.
Lez

Re: Vehicle Battery - AGM or Wet type?

Posted: Sun Dec 19, 2010 12:41 pm
by X5Sport
Don't tell him Lez ....he just wants to get within 8 miles of you so he can stalk you :rofl: ..............i don't trust these e71 types :poke: :lol:
He's completely safe -they don't do the battery I'm after anyway............ :D