6M Extension Wiring Harness for BMW X5 M3 M5 E46 E38 E39 E53 | 17+40 Pin Power & Fakra Antenna Cable for Android Head Unit Radio | Plug & Play Boot-to-Dash Install

6M Extension Wiring Harness for BMW Android Head Unit Radio — 17+40 Pin Quadlock + Fakra Antenna

Move your aftermarket stereo wiring back to the dash — the correct way.

This 6M extension lead is built for BMW owners replacing an OEM Sat-Nav head unit with an Android radio. On factory navigation systems, the original stereo connections are located in the boot, not behind the dash. Once the standard navigation unit is removed, you are left with two plugs — blue and white — which are neither the 17-pin nor the 40-pin connection most aftermarket radios expect. This harness solves that problem by routing the wiring back to the dashboard and converting it to a standard connection.

What this cable does

• Restores a normal stereo loom behind the dash — no more improvising with short, model-specific extensions.

• Provides both 17-pin and 40-pin connections on the boot side, so you don't need to know which loom your navigation box uses before ordering.

• Outputs a 40-pin connection on the dash side as your new stereo loom.

• BMW Quadlock compatible — any aftermarket stereo with a standard Quadlock connection can be fitted directly. With the correct adapter, an ISO-connection unit can also be installed.

• 6M length — sufficient to run from the boot-mounted factory navigation unit to the dashboard.

Compatible models (when the stock radio is unplugged in the rear)

Important compatibility note — please read before ordering

This power extension cable is NOT compatible with BMW vehicles equipped with a DSP button, or where the DSP option appears in the original infotainment display menu. If your vehicle has DSP, please do not purchase this cable.

No matter which aftermarket stereo you are fitting in place of your standard BMW Sat-Nav head unit, this is the cable you need.