BMW 5-Series Soft Close Door Installation Guide

Wire Description
Schematic diagram of wire connection definition (specific installation steps please refer to the installation flowchart )

1.Front left electric suction door power line (7.3m)
2.Front right electric suction door power line (5.5m)
3.Rear electric suction door power line (2.5m) x2
4.F149 Fuse Adapter
5.F110 Fuse Adapter

Left door wiring method

Wiring instructions for electric suction door power line:

1.The power line of the front left electric suction door is 5.5m long;
2.The power line of the rear electric suction door is 2.5m long;
3.The red wire of the front left front right electric suction door power line is connected to the fuse adapter according to the configuration table and inserted into the corresponding position of the fuse box to access power. The black wire is connected to the ground wire in the door. The power line of the rear electric suction door is connected to the front power cable in the middle position of the rear door.

Right door routing

Wiring instructions of electric suction door power line

1.The power line of the front right electric suction door is 5.5m long;
2.The power line of the rear electric suction door is 2.5m long;
3.The red wire of the front left front right electric suction door power line is connected to the electrical appliance according to the configuration table and inserted into the corresponding position of the fuse box to take power. The black wire is connected to the ground wire in the door.

▲Note: When installing the fuse adapter, please refer to the fuse position and specification table in the fuse box of the original car to avoid mistake.
All pictures in this manual are for reference. There are slight differences between the pictures and the actual product due to different models, but the installation method is basically the same.
Disclaimer: The problems and losses caused by improper installation and improper use are not covered by our company’s warranty.

Installation Steps

2.Lever the door trim buckle and remove the door trim carefully;
3.Remove the unlocking inhaul cable in the door;
4.Unplug each connecting wire harness and wire harness buckle on the door trim panel, and place the door trim panel properly;
5.Remove the central locking handle;
6.Unplug the central control door lock harness;
7.Lift up the waterproof and soundproof mat inside the door, cut the viscose with a blade, remove it and place it properly;
8.Unplug the outward opening door inhual cable and harness buckle on the lock;
9.Remove the three anchor screws on the lock of the original car and take out the lock;
10.Be aware of the emergency unlocking rod when removing the left lock, and remove the lock carefully;
11.Prepare the electric suction door lock and motor; note: the lock and motor are divided into front, back, left and right, please install the corresponding lock on the corresponding door.
12.Install the electric suction door lock on the door, tighten the three anchor screws, and install the unlocking inhaul cable and harness buckle; (Note: When installing the left front door lock, the emergency unlocking rod should be inserted into the emergency unlocking hole)
14.Match the screw on the electric suction door motor to the mounting hole reserved for the original car, and fix it with a nut;
15.Prepare the power line of each electric suction door motor; (Note: the power line is divided into front, back, left and right, please match the corresponding line to the corresponding door)
16.Unscrew the screw of the terminal block at the hinge of the four doors and remove the door terminal block;
17.Unscrew the screw on the open wrench of the engine cover, remove the wrench handle, then unscrew the anchor screw under the handle, and remove the trim plate;
18.Remove the front door pedal trim;
19.Lever the lower trim of B-pillar;
20.Lever the rear door pedal trim;
21.Remove the sponge pad under the backrest
22.Remove the trim in the tailgate box
23.Insert the power line plug into the electric suction door motor, fix the power line to the nearest original car harness with a cable tie, thread the cable into the car along the original car harness and fix it;
24.The power line is routed from the reserved hole of the original car at the terminal block (Note: When there are other harnesses in the reserved hole of the original car, this hole can be enlarged appropriately to facilitate the wiring harness)
25.Route the front door power line along the original car wiring harness in the car to the fuse box in the tailgate box, and connect the rear door harness to the front door power line in the middle of the rear door pedal;
26.Combine the black wire of the power line and connect to the ground, connect the red wire to the medium-sized fuse adapter, unplug the F110.F149 fuse on the fuse holder and insert it into the adapter, and insert the adapter into the position of the fuse holder F110.F149;
27.First Install the latest disassembled parts of the original car in sequence; note: be careful with installation, all the buckles need to be installed in place, otherwise it will cause noise increased in the car)
28.Test on opening and closing each door, check whether the electric suction door and the central control lock function well, and whether the gap of the door is normal when the door is closed. If it is not normal, it should be corrected by adjusting the door lock catch;

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