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Krisekca
10-15-2008, 03:06 PM
Anyone replaced battery on M3?

its 1st batch of M3 2003/2004
I guess its time to get new battery ?

What battery are you running ?

What do you think about OPTIMA ? does it fit properly ?
S.F.W.
10-15-2008, 03:08 PM
I replaced the stock battery with an Optima Red Top, works great.
Krisekca
10-15-2008, 03:46 PM
Does its crank better ?

do you remember exact model how many AMP/Cranking Power ?

Thank You S.W.F
S.F.W.
10-15-2008, 04:09 PM
Red Top model 35/D35: RedTop®; Battery; Group 35; Cold Crank Amps 720; Crank Amps 910; Reserve Capacity 90; Ampere Hour 44; Top Terminal; L-9 5/16 in.; W-6 3/4 in.; H-7 5/8 in.
S.F.W.
10-15-2008, 04:10 PM
it cranks a lot better than my old battery which was practically dead. I can not compare to stock though.