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JC5
03-15-2009, 06:09 PM
So I was a bit bored today, and was cruising one of the e39 M5 boards. There was a thread about light weight batteries. A few of them have used a 21lb battery from http://www.braillebattery.com/index.php/batteries/b3121/ with success. This is an approx 40 lb savings over stock. With the 20 I've lost, that's 60lbs+ :)

The one in my 2003 530 is original believe it or not. Probably one day soon, it will die. I've been able to hedge some weight off the car (still weighs as much as a WW1 tank). Could this be a viable avenue to shed some more off, or am I asking to get stranded?

All opinions welcome

mcoupemindy
03-15-2009, 06:31 PM
So I was a bit bored today, and was cruising one of the e39 M5 boards. There was a thread about light weight batteries. A few of them have used a 21lb battery from http://www.braillebattery.com/index.php/batteries/b3121/ with success. This is an approx 40 lb savings over stock. With the 20 I've lost, that's 60lbs+ :)

The one in my 2003 530 is original believe it or not. Probably one day soon, it will die. I've been able to hedge some weight off the car (still weighs as much as a WW1 tank). Could this be a viable avenue to shed some more off, or am I asking to get stranded?

All opinions welcome

I think it's a great option for a battery! And honestly, it doesn't cost too much more than a standard replacement.

The only thing I've heard is that you need to be careful of full discharges as they ruin the battery.

Scotty
03-15-2009, 10:44 PM
I think you want the Deka ETX30L. It's the same battery at 1/3 the price.

These dry cell glass matt batteries are favored by the racing crowd, along with other brands like the Odyssey. Although intended for power sport vehicles like Jet Ski's and ATV's, they work well in cars, too.

They hold their charge very well over time but can be destroyed if they are deep-discharged. And the life of the battery is shortened if consistently kept below full charge. If you park the car for more an extended period, either disconnect the negative cable or use a charger. All modern cars draw current when parked and these batteries will not last as long as a normal lead-acid battery.

Nick325xiT 5spd
03-16-2009, 10:18 AM
I currently use and highly recommend the Deka ETX30L as well. Very cheap and reliable in my E46 M3.

JC5
03-16-2009, 04:19 PM
I'll look into then

Braille just returned an e-mail stating they use the 21 lb battery in their e46 330i, with no issues

Nick325xiT 5spd
03-16-2009, 09:31 PM
I'll look into then

Braille just returned an e-mail stating they use the 21 lb battery in their e46 330i, with no issues
It would work fine. Especially with their profit margin on a battery they don't even make.

kcbxt8
04-01-2009, 08:38 AM
My car took to times to start today and I have a feeling of poor battery or is there something else I have to look for?
This is 2004 Dec e46 and is my battery life almost over?
do I have to replace it?
If yes how much will that cost?
Can I do it DIY?

Nick325xiT 5spd
04-01-2009, 09:17 AM
My car took to times to start today and I have a feeling of poor battery or is there something else I have to look for?
This is 2004 Dec e46 and is my battery life almost over?
do I have to replace it?
If yes how much will that cost?
Can I do it DIY?
No, the battery can't be replaced anywhere except at the dealer. It's a $500 labor charge because they have to remove the bumper and go in from the side.







;)

kcbxt8
04-02-2009, 02:11 PM
that is really a silly reply....

kcbxt8
04-02-2009, 02:22 PM
someone please suggest the battery I can buy for my 2005 325i.
What are all the options I have.
I will do it next DIY.
@<hidden> Nick325xiT 5spd (http://forum.nccbmwcca.org/member.php?u=64) I guess being a senior member you have lot of knowledge and experience and people really don't need any humor after posting their problems.
Hope you understand.

Nick325xiT 5spd
04-02-2009, 02:29 PM
someone please suggest the battery I can buy for my 2005 325i.
What are all the options I have.
I will do it next DIY.
@<hidden> Nick325xiT 5spd (http://forum.nccbmwcca.org/member.php?u=64) I guess being a senior member you have lot of knowledge and experience and people really don't need any humor after posting their problems.
Hope you understand.
Hell, a 'droid at autozone will do it for you if you can't. The procedure should even be in the factory manual, and the only tools that you need are in the toolkit.

...and some questions demand a humorous reply.

John in VA
04-02-2009, 03:05 PM
Nick325's resopnse WAS left on April Fool's Day - I saw the winking icon!

kcbxt8 - If your car is an E46, check out:
http://forum.e46fanatics.com.
The DIY section there has a long thread about Battery replacement (http://forum.e46fanatics.com/showthread.php?t=268752&highlight=battery).