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  1. #1
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    Recommend me a battery to start my 2.5tdi in very cold conditions

    Would someone be kind enough to help recommend me the highest capacity battery I can get in my '98 2.5tdi V6.

    I need something to ensure it starts in extremes of cold.

    Thank you.

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  3. #2
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    Hi,

    I live in Finland and last winter I put a Bosch Silver battery in the car. Even with my thermostat not working and the glow plugs not coming on at all, it still started in -28 C! Very slowly cranked over of course but still started. I have been really happy with the Bosch battery but don't remember the capacity off the top of my head. I'll look at it tonight and let you know. Anything colder than -25 and I usually take the battery off though so I can't say how it copes with even lower temperatures but most batteries suffer below -25 anyway.
    Audi A4 - 2.5TDi Quattro 98'

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    Quote Originally Posted by AnniinaW View Post
    Hi,

    I live in Finland and last winter I put a Bosch Silver battery in the car. Even with my thermostat not working and the glow plugs not coming on at all, it still started in -28 C! Very slowly cranked over of course but still started. I have been really happy with the Bosch battery but don't remember the capacity off the top of my head. I'll look at it tonight and let you know. Anything colder than -25 and I usually take the battery off though so I can't say how it copes with even lower temperatures but most batteries suffer below -25 anyway.


    If you could have a look that would be great. Thank you.

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    I've got an 000 915 105 DJ (85ah) battery. Works fine, and we had temperatures as low as -18 two years ago. No idea regards the make. The 2.5 is a big lump, so anything with plenty cranking power is going to do the job. Bosch stuff gets my vote every time.
    This specification is for AKN engine S5008 - AUDI A4 2.5 2001 Bosch Car Battery | Car Batteries Online
    2002 A2 1.4 TDi SE (125k)
    2001 A4 2.5 TDi Avant Quattro Sport (155k)
    1995 80 TDi Avant SE (175k) Sold

  6. #5
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    Recommend me a battery to start my 2.5tdi in very cold conditions

    Don't know of any specific brand or make, but just look for the highest CCA and Ah you can, whilst retaining the same physical size.
    Currently rolling in a SKODA!!!

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    You can't go wrong with the Varta Silver Dynamic Battery. Has a high CCA so very good for winter.

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    Quote Originally Posted by SL11 CKK View Post
    You can't go wrong with the Varta Silver Dynamic Battery. Has a high CCA so very good for winter.
    So the Varta Silver Dynamic is 100Ah and 830A - which one is applicable to the CCA?

    Thank you.

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    Quote Originally Posted by mixmaster View Post
    If you could have a look that would be great. Thank you.

    Hi,

    I had a look, sorry for the delay! The Bosch battery is a Silver S4 12V 574 012 068 680A 74Ah. On my other car I have a battery that was recommended by Audi here in Finland which is a Varta DE 12V 85Ah 450 A DIN 760A. I hope that means something to you. I got that info directly off the batteries themselves. I would recommend the Varta as Audi told me that this is the recommended battery for the 2.5 V6 Quattro in Finnish conditions. We get -35 or lower here so that battery should be just fine any situation you find yourself in except maybe Lapland at -50! :-)
    Last edited by AnniinaW; 2nd December 2012 at 18:57.
    Audi A4 - 2.5TDi Quattro 98'

 

 

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