Battery in the back is for better 50%/50% front:rear weight distribution.
In my 1989 E30 325i, my battery was in the right hand side of the trunk. My old E320 had the battery underneath the rear seat. The battery in the E46 M3 is in the right hand side of the trunk. The battery in the X5 is underneath the spare tire wheel well.
Actually, the battery will tend to last longer because it is NOT exposed to the engine's heat.
However, in the X3, the battery is very accessible (I'll take more pics for the X5 buddies)....Just lift the rear cargo floor and voila, the battery is there!
Quote:
Originally Posted by climrgrl
Nice pix! If you feel like taking more, it would be great to see some outside from different angles. Also maybe some interiors with a cargo comparison. It's interesting, the X3 looks quite a bit smaller, but the size specs for the two are very similar.
Yeah, I think the engine compartment is cool too! People are always surprised when they see that the battery is in the BACK of my X3.
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