This is the installation manual for after-market BMW 3 series E90 E91 E92 E93 android navigation system.
For the android navigation screen, you can buy it from our website, there is two versions:

The car with left hand drive, please order [B273A]

The car with right hand drive, please order [B293A] 

Notice & Tips :

1, The android screen is 10.25 inch screen, it need to make a permanent hole on the dashboard

(fixing the android screen), there is a guide paper that telling you how to cut the dashboard.

2. The installation is plug and play, no cutting the wires, no need to program your car when installation.

3. If your car with factory navigation, you also need to install the GPS antenna for android screen.

(We are NOT recommend the splitter for GPS antenna, it might burn down the android's GPS chipset inside)

4, For safe driving, we suggest to install a rear-view camera, when you back the car
(switch the gear to " R " - reverse mode), the android screen show the pictures on the back automatically.

For backup camera installation, please read backup camera installation.

How to replace factory BMW 3 series E90 E91 E92 E93 with aftermarket android navigation?

Installation steps:

1: Before Installation    2, Attached the NO.1 guidence paper to the dashboard

3: Attached the NO.2 guidence paper   4:Cut the dashboard according to the guidence paper

5: Use cutting tool to trim the edge of the hole   6: Now the hole is ok and perfect.

7:Install the braket, notice each side should be 3 screws, to make the braket
firmly fix to the body of android screen   8: After connect all harness (such as
power cable, USB, GPS antenna etc) to the back of android screen, then
can install it to the dashboard,

9, Install the iDrive knob （just simple plug it, no need to cut the frame, no modification)  
10, After install the idrive, then install the factory plastic cover to the central console

11, The installation for the radio head unit, you can read other installation manuals,
because they are all similar way.