Sound System premium repair harness (1987-early 1989) 5907 Rear channel adapter: works with

Rear channel adapter: works with the Amp+ bypass adapter to connect your rear speakers

Also compatible with Amp+ if your car has 2 channel standard / radio only wiring

OEM E30 fog switch and matching OEM wiring for your HVAC panel

no-cut wiring kit for customers with premium / Sound System cars want to by pass their car's common radio output ground wiring

Ground adapter: plugs into your Sound System trunk amp harness connector

Sound System premium repair harness (1987-early 1989) 5907 Rear channel adapter: works withFor 1987 to early 1989 cars with BMW Sound System and either 2 or 4 channel radios, door tweeters and a trunk amplifier. If the 8 round socket fader connector in your car is still intact, then this repair harness will allow you to return your factory premium audio wiring to stock. NOTE: Also works for 4 channel radio installs in cars built ONLY up to mid 89, but you also require a 934 2 4 channel adapter, available on the site. These are produced on