The connector is not as long as the boot opening. I ran the wire at the bottom of the boot - as close as possible to the corrugated boot itself - and drilled no holes.
If you were pulling standard lamp-cord-style speaker wire rather than the cable I pulled, it should be even easier.
Musicar Northwest, Portland Oregon
The premier experts on BMW high-performance audio
Home of Tom Miller, 2014 Installer of the Year
Named a Top 12 Retailer in North America
musicarnw.com (please email, don't PM)