Originally Posted by
flobeck263
@Orion ZyGarian
Hi, i´m tobi´s brother!
The batterys of the "older" BMW 4 cylinders (M40/42/43/44; E46´s N4x) are located in front.
They are sitting just in front of the firewall, on the passenger side.
Newer 4-bangers (E8X/E9X) have the battery in the back, E9X has it on the passenger side of the trunk, E8X in the middle under the floor-mat.
We never got E46s with 4 bangers...or even N engines actually. Even the first E60s used leftover M54 engines. The N5X debuted in the E90s.
We wont get any 4 cylinders from BMW until maybe the next gen E82s and E90s.
I'm still pretty sure U.S. 4 cylinders still had the battery in the back. From what I've seen, only the ti touring hatchbacks had them in the front where you say.
I'll get some pics and info from my friend when we're both up tomorrow