CANBUS Wiring Harness Cable For BMW NBT System 9-12.3 Inch Android Vertical Screen

Compatible Vehicles

• BMW 1 Series F20 F21 2013-2017

• BMW 3 Series F30 F31 F34 2011-2017

• BMW 5 Series F10 F11 2011-2017

• BMW X1 E84 2010-2018

• BMW X3 F25 2012-2016

• BMW X5 F15 2011-2015
  Not fit CIC / Low basic iDrive system, not fit G chassis new models.

Core Product Features

1. Professional CANBUS Protocol Decoder Box
   Stable decode BMW CAN bus signal, realize communication between android screen and original car computer, no error code pop up on dashboard.
2. Full Retain Original Car Functions
   Support steering wheel multi-function control, vehicle speed display, door open reminder, original car alarm logic, keep factory audio sound quality.
3. Built-in AHD Video Conversion Module
   Convert analog signal to AHD high-definition signal, compatible with AHD rear view camera, clearer reverse image.
4. Extra RCA Audio Output Ports
   Reserved multiple RCA audio jacks, easy to connect external DSP amplifier, upgrade car audio system freely.
5. Extended Long Wiring Design
   Total main harness length up to 2.5m, enough space for deep-install 12.3 inch large vertical screen, easy wire hiding inside dashboard.
6. Safe & Durable Material
   High temperature resistant pure copper inner wire, flame retardant ABS plastic plug, anti-oxidation metal pin, long service life, short circuit protection.
7. True Plug & Play
   Directly dock with original car factory plug, no modification, no wire stripping, reduce installation difficulty and avoid circuit failure risk.

Package List

Product Specifications

• Working Voltage: DC 12V (Car standard power)

• Wire Material: Fireproof Copper Wire + ABS Plastic

• Total Harness Length: 2.5 Meters

• Net Weight: 0.85 KG

• Fit Screen Size: 9 / 10.25 / 12.3 Inch Android Vertical Navigation Screen

• Model Number: RZ-BMW34

Installation Tips & Troubleshooting

Installation Steps

1. Remove car central control panel, pull out original NBT host

2. Disconnect factory power plug, insert our harness male end into car socket

3. Connect harness female port to your android screen power port

4. Fix two protocol boxes inside dashboard, connect small matching plugs

5. Link RCA cable to DSP amplifier if you installed audio amp

6. Connect AHD camera wire, power on screen and test all functions

7. Arrange wires neatly, restore central control panel

Common Problems Solution

1. Screen cannot light up after install
   Check whether all plugs are fully inserted; check car fuse is intact.
2. Steering wheel buttons no response
   Re-plug the small CAN bus decoder connector tightly.
3. No car info display on screen
   Confirm your car equipped with original NBT system, low CIC system cannot support.
4. No audio output
   Reconnect RCA audio port, reset sound settings on android head unit.

Warm Notice

1. Please confirm your car equipped with NBT system before purchase, this harness cannot work with other iDrive versions.

2. All wiring must be fixed away from car heating parts to avoid high temperature damage.

3. Professional car audio technician installation is recommended for better effect.

Images are for reference only.