Automotive Scan Tools, Diagnostic Equipment and Torque Calibration Specialists
How To Guide:
Source: LAUNCH TECH CO LTD
LAUNCH Operating Instructions for the Function of BMW CAS3+ Key Learning
Just a Heads-Up: This guide is here to help you out, but it’s for general info only. We try to keep everything accurate and reliable, but we can’t promise it’s perfect. So, if you decide to follow this guide, you’re doing it at your own risk. We’re not responsible for any loss or damage that might happen, including indirect or consequential loss, or any loss of data or profits from using this guide. Sometimes, we might link to other websites. We don’t control those sites, so we can’t vouch for their content. Just because we link to them doesn’t mean we endorse them. We do our best to keep this guide running smoothly, but we can’t be held responsible if it’s temporarily unavailable due to technical issues beyond our control.
Operating Instructions for the Function of BMW CAS3+ Key Learning
Function introduction
Currently, it supports BMW CAS1, CAS2, CAS3/CAS3+ Anti-Theft System Key Learning, and supports Key Adding and All Lost. Other types will be released later.
Device requirements
PRO and other Android devices of 431 products,X431-G/X431-G3 Immobilizer with key adapter;
Software requirements
BMW V50.52 and above
Steps
1. The function of CAS Key Learning is described as below (Take CAS3++ Anti-Theft System Key Adding as an example).
1.1 Enter the software, and select [Anti-Theft System]
1.2 Click [OK]
1.3 Enter the Anti-Theft System, and you need to connect with X431-G/X431-G3 Anti-Theft key adapter to perform the next step
1.4 If you don't know the type of the Anti-Theft System, you can select [Intelligent Mode] to enter
1.5 Click [OK] button, it will jump to the corresponding Anti-Theft system menu
1.6 Select [Key Operation] function
1.7 Select [Key Learning] function
1.8 The function of Key Learning needs to be connected to Internet to obtain data. First connect the network and X431 Anti-Theft key adapter, and click [OK]
If keys are all lost, click [Yes], if not, click [No]. In this case, we select [No] for Key Adding
1.9 Please insert a working key into the ignition switch and press Start button. Click [OK] for the next step
The physical image is shown below
1.10 If the key is inserted in the ignition switch, remove the key. If the key is a smart one, please put it outside the vehicle. Please ignore it if there is no key, click [OK] button
1.11 The key information read for the first time must be saved. Click [Yes] button to save the key data
1.12 Enter the file name of key data to be saved, and click [OK] button to save the key data
1.13 After the key data is backed up successfully, click [OK] button
1.14 Select the unused key position, and click [Key Generated By Ignition Switch]
1.15 Select the type of key to be generated according to vehicle conditions, and select the corresponding key. In this case, we select [Remote Key]
1.16 Put a blank key into the programmer, and then click [Yes] button
1.17 Key preprocessing succeeded, insert the key that has just been preprocessed into the ignition switch, and then click [OK] button
1.18 Generate the dealer key, pull out the key, and insert into the ignition switch again, press Start button, click [OK] for the next step
1.19 The dealer key is generated successful. Please try to start the vehicle by the new generated key. If it cannot start the vehicle, please perform [DME Synchronization] or [ELV Synchronization] function according to the situation. The synchronization function shown in the figures below are not needed for this case.
