Beemer Lab

If you want an aftermarket amp + subs in the boot then you need an RCA-feed and tapping into the rear speaker-wires does not work on the E60...

Swapping seats round in a BMW E21 3-series is a nightmare, thanks to the floor-mounts being two different heights. To fit level-based seats ...

The system remote shuts off with the ignition [see: Getting a Remote Signal for the Amp ] , so I've no worry about getting a flat batter...

With the RCA-feed splitting off the rear-speakers there's no separate controls for the amp on the head-unit. I can turn the Bass up and ...

* The Full How-To Guide is on this page: Audio: Wiring Amp/Subs into Standard Head-Unit The standard BMW Business stereo is a masterpie...