How to use Launch M-Diag Lite on BMW 520Li 2014?

This is a test report of a Launch M-Diag Lite obdii scanner. It works perfect on 2014 BMW 520Li (F18) in obdii diagnosis and special functions. Here you go.

Scan tool: Launch M-Diag Lite OBDII diagnostic tool

Model: BMW 520Li 2014

Phone: a HUAWEI smart phone

System: Android

Before using M-Diag Lite, please firstly download M-diag APP which can be found on IOS App Store and Android APP on Google Play, then install APP-> complete registration-> click on BMW car software to download

Select BMW V49.50 and confirm

Connect Bluetooth (no password needed; if it needs it, try 1111 or 0000)

Choose Automatically search-> 16 pin socket

2014 BMW 520Li (F18) vehicle info

Choose Quick Test

Tap ECM

Choose Read fault codes

Read data stream-> Automatic engine start stop function

Select all then tap confirm

Choose Graph

Back to menu

Choose Fuel system-> Fuel temperature

Choose Page, then confirm

Choose Graph

Back to menu

Choose Fault report

Back to menu

Choose Special function

Choose 3 series...

Launch M-Diag Lite scanners support multiple special function software and actuation tests incl. Oil / Service reset,  ABS bleeding, IMMO & key programming, throttle body adaptation, brake pads, steering angle reset, battery matching, DPF regeneration, Injector coding

source:http://blog.obd2express.co.uk/2017/02/22/m-diag-lite-tested-yes-on-bmw-520li/