When to replace the stereo unit in a BMW?

When to replace the stereo unit in a BMW?

One of the first projects new BMW owners perform on their car is to remove and replace their stereo head unit. I know that if I buy a car that has a weak stereo unit, it’s one of the first things to go.

How to install a BMW radio head unit?

First, disconnect the battery. The radio harness has constant voltage supplied to it, and you don’t want to accidentally blow any fuses or damage any electrical components. Begin by flipping open the small flap on the OEM head unit ( Figure 2 ). Underneath, you will find a funky 5-sided bolt on the inside ( Figure 3 ).

Where do I plug in my BMW E30 radio?

You can cut the OEM connector off and tap directly into the factory harness, but I strongly caution against this – it’s best to use the adapter cable. I put some spade connectors on the ends of the harness adapter, and the connector that plugged into my new radio.

Where is the radio bracket on a BMW?

If all of the speakers, radio, and lights work, then install the radio bracket into the center dashboard. This is the bracket that comes with your new unit, and typically has tabs that you bend into place once you position the bracket.

What do I need to install a BMW radio?

Don’t force the connector, or you may break it. In order to install your new radio, you will need a BMW cable adapter ( Figure 9 ). This adapter plugs into the factory connector and has leads on it that you can then connect to the leads or connector on your new radio ( Figure 10 ).

How do you install an aftermarket car stereo?

Installing the Aftermarket Stereo Connect the new aftermarket wiring harness adapter. Connect the new radio’s plug to the wiring harness adapter. Connect the aftermarket stereo. Slide the new stereo into the dash. Test the aftermarket stereo. Troubleshoot the stereo installation.