2005 E46 330D Convertible - slow turning when starting

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  1. 2005 E46 330D Convertible - slow turning when starting 
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    Hi, I've just bought a diesel last month and noticed that it's very sluggish to start. If it doesn't start within 4-5 turns then it will start to slow down as if the battery is dying. I've switched to a fully charged battery but it still seems to happen

    is this normal or is it a possible alternator issue?
     
     

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    Sounds like a dying battery. The best/cheapest place for a battery is Vauxhall main dealer. They sell Delco Premiums (GM branded), a top make brand with a long warranty.

    The biggest one they do for the petrol V6's is 70aH for £73 inc VAT.


    Ask for the one for the 3.0 V6.
     
     

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    Quote Originally Posted by joylove View Post
    Sounds like a dying battery. The best/cheapest place for a battery is Vauxhall main dealer. They sell Delco Premiums (GM branded), a top make brand with a long warranty.

    The biggest one they do for the petrol V6's is 70aH for £73 inc VAT.

    Ask for the one for the 3.0 V6.
    that's what's puzzling as I've swapped the battery but still get the same symptoms. Pointing out the aH is obviously something that could be the issue. When I took out the battery out of my car it is quite small and obviously someone has took a cheaper battery replacement option, although the replacement one I put in was from my 330Ci convertible which works fine. Even so I will take a look at the brand/aH of both batteries at the weekend as both are replacements that I haven't bought
     
     

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    It is possible that both batteries are duff and too small for a diesel. Since the 330d needs a new battery anways just splash the cash and see if it fixes the problem. It's likely the cheapest and definitely the first thing to change.
     
     

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    Quote Originally Posted by joylove View Post
    It is possible that both batteries are duff and too small for a diesel. Since the 330d needs a new battery anways just splash the cash and see if it fixes the problem. It's likely the cheapest and definitely the first thing to change.
    the battery that is on it now, is my 330Ci that's worked flawlessly in the last year I've used it

    I've been looking at various batteries and seen 80aH ones for decent prices from a battery website. I saw this one on eBay but don't know if 100aH & 830A of cold cranking would be too much?

    http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=230454174379
     
     

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    You can never have too big a battery, only the wrong type. Some are designed for deep cycle (caravans), others for petrols and others for diesels (big cranking force). So long as it fits the battery tray you are good.
     
     

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    My 320d battery has 800cca so 830 for your 6 pot looks about right, saw this thread the on cheap batteries other day
    thought you might find it useful Cheap Batteries
     
     

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    MackemX (27-04-2011)

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    i currently have 100Ah battery and works just fine. previous one was 85Ah which i had some trouble with in winter
    2002 530D Touring MT
     
     

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    MackemX (27-04-2011)

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    thanks for info guys

    Quote Originally Posted by MackemX View Post
    the battery that is on it now, is my 330Ci that's worked flawlessly in the last year I've used it

    I've been looking at various batteries and seen 80aH ones for decent prices from a battery website. I saw this one on eBay but don't know if 100aH & 830A of cold cranking would be too much?

    http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=230454174379
    the car is still really slow to turn so I was going to buy the above battery last weekend but I found exactly a similar battery for £94.99 delivered. Seems to be the same dimensions and power but the part number of 019 is different to 017 in ebay so gonna have to call them first to confirm it's OK for my car

    http://www.caraccessoriesandparts.co...r-battery.html
     
     

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