So, I was looking over my M45 yesterday thinking about installing it. I honestly don't want to have to drill monster holes through the firewall to install it, and honestly it looks like it's over my head anyway. But, is there any way through the firewall that is accessible without pulling the motor out? I don't know how BMW manages to have such small clearances. My E46 was tight, but this takes it to a whole new level.
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